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Finding the Fourth Proportional to 60,038.64, 89,926.34 and 47,572.74

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Solution

The fourth proportional to 60,038.64, 89,926.34 and 47,572.74 is: 71,254.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,038.64 : 89,926.34 = 47,572.74 : x
  2. Step 2: Convert to fraction form
    60,038.64/89,926.34 = 47,572.74/x
  3. Step 3: Cross multiply
    60,038.64x = 89,926.34 × 47,572.74
  4. Step 4: Simplify right side
    60,038.64x = 4,278,042,154.11
  5. Step 5: Solve for x
    x = 4,278,042,154.11/60,038.64
  6. Step 6: Final answer
    x = 71,254.81

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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.