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Finding the Fourth Proportional to 25,533.66, 38,300.49 and 7,065.66

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Solution

The fourth proportional to 25,533.66, 38,300.49 and 7,065.66 is: 10,598.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,533.66 : 38,300.49 = 7,065.66 : x
  2. Step 2: Convert to fraction form
    25,533.66/38,300.49 = 7,065.66/x
  3. Step 3: Cross multiply
    25,533.66x = 38,300.49 × 7,065.66
  4. Step 4: Simplify right side
    25,533.66x = 270,618,240.17
  5. Step 5: Solve for x
    x = 270,618,240.17/25,533.66
  6. Step 6: Final answer
    x = 10,598.49

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Half scale
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Double scale
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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.