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Finding the Fourth Proportional to 57,017.71, 85,526.57 and 25,419.61

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Solution

The fourth proportional to 57,017.71, 85,526.57 and 25,419.61 is: 38,129.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,017.71 : 85,526.57 = 25,419.61 : x
  2. Step 2: Convert to fraction form
    57,017.71/85,526.57 = 25,419.61/x
  3. Step 3: Cross multiply
    57,017.71x = 85,526.57 × 25,419.61
  4. Step 4: Simplify right side
    57,017.71x = 2,174,052,054.04
  5. Step 5: Solve for x
    x = 2,174,052,054.04/57,017.71
  6. Step 6: Final answer
    x = 38,129.42

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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.