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Finding the Fourth Proportional to 60,581.76, 90,871.83 and 15,602.88

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Solution

The fourth proportional to 60,581.76, 90,871.83 and 15,602.88 is: 23,404.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,581.76 : 90,871.83 = 15,602.88 : x
  2. Step 2: Convert to fraction form
    60,581.76/90,871.83 = 15,602.88/x
  3. Step 3: Cross multiply
    60,581.76x = 90,871.83 × 15,602.88
  4. Step 4: Simplify right side
    60,581.76x = 1,417,862,258.87
  5. Step 5: Solve for x
    x = 1,417,862,258.87/60,581.76
  6. Step 6: Final answer
    x = 23,404.11

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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.