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Finding the Fourth Proportional to 60,901.70, 91,320.15 and 25,801.70

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Solution

The fourth proportional to 60,901.70, 91,320.15 and 25,801.70 is: 38,688.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,901.70 : 91,320.15 = 25,801.70 : x
  2. Step 2: Convert to fraction form
    60,901.70/91,320.15 = 25,801.70/x
  3. Step 3: Cross multiply
    60,901.70x = 91,320.15 × 25,801.70
  4. Step 4: Simplify right side
    60,901.70x = 2,356,215,114.26
  5. Step 5: Solve for x
    x = 2,356,215,114.26/60,901.70
  6. Step 6: Final answer
    x = 38,688.82

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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.