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Finding the Fourth Proportional to 25,784.59, 38,679.59 and 10,995.07

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Solution

The fourth proportional to 25,784.59, 38,679.59 and 10,995.07 is: 16,493.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,784.59 : 38,679.59 = 10,995.07 : x
  2. Step 2: Convert to fraction form
    25,784.59/38,679.59 = 10,995.07/x
  3. Step 3: Cross multiply
    25,784.59x = 38,679.59 × 10,995.07
  4. Step 4: Simplify right side
    25,784.59x = 425,284,744.65
  5. Step 5: Solve for x
    x = 425,284,744.65/25,784.59
  6. Step 6: Final answer
    x = 16,493.76

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Half scale
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Double scale
Find fourth proportional to 25,785.59, 38,681.09 and 10,996.07
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.