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Finding the Fourth Proportional to 60,274.08, 90,400.80 and 15,901.29

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Solution

The fourth proportional to 60,274.08, 90,400.80 and 15,901.29 is: 23,849.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,274.08 : 90,400.80 = 15,901.29 : x
  2. Step 2: Convert to fraction form
    60,274.08/90,400.80 = 15,901.29/x
  3. Step 3: Cross multiply
    60,274.08x = 90,400.80 × 15,901.29
  4. Step 4: Simplify right side
    60,274.08x = 1,437,489,337.03
  5. Step 5: Solve for x
    x = 1,437,489,337.03/60,274.08
  6. Step 6: Final answer
    x = 23,849.21

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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.