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Finding the Fourth Proportional to 60,460.66, 90,691.20 and 18,341.11

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Solution

The fourth proportional to 60,460.66, 90,691.20 and 18,341.11 is: 27,511.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,460.66 : 90,691.20 = 18,341.11 : x
  2. Step 2: Convert to fraction form
    60,460.66/90,691.20 = 18,341.11/x
  3. Step 3: Cross multiply
    60,460.66x = 90,691.20 × 18,341.11
  4. Step 4: Simplify right side
    60,460.66x = 1,663,377,275.23
  5. Step 5: Solve for x
    x = 1,663,377,275.23/60,460.66
  6. Step 6: Final answer
    x = 27,511.73

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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.