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Finding the Fourth Proportional to 60,141.87, 90,212.85 and 37,988.91

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Solution

The fourth proportional to 60,141.87, 90,212.85 and 37,988.91 is: 56,983.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,141.87 : 90,212.85 = 37,988.91 : x
  2. Step 2: Convert to fraction form
    60,141.87/90,212.85 = 37,988.91/x
  3. Step 3: Cross multiply
    60,141.87x = 90,212.85 × 37,988.91
  4. Step 4: Simplify right side
    60,141.87x = 3,427,087,839.49
  5. Step 5: Solve for x
    x = 3,427,087,839.49/60,141.87
  6. Step 6: Final answer
    x = 56,983.39

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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.