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Finding the Fourth Proportional to 25,706.68, 38,555.73 and 9,062.80

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Solution

The fourth proportional to 25,706.68, 38,555.73 and 9,062.80 is: 13,592.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,706.68 : 38,555.73 = 9,062.80 : x
  2. Step 2: Convert to fraction form
    25,706.68/38,555.73 = 9,062.80/x
  3. Step 3: Cross multiply
    25,706.68x = 38,555.73 × 9,062.80
  4. Step 4: Simplify right side
    25,706.68x = 349,422,773.45
  5. Step 5: Solve for x
    x = 349,422,773.45/25,706.68
  6. Step 6: Final answer
    x = 13,592.69

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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.