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Finding the Fourth Proportional to 60,921.91, 84,073.17 and 34,064.29

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Solution

The fourth proportional to 60,921.91, 84,073.17 and 34,064.29 is: 47,009.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,921.91 : 84,073.17 = 34,064.29 : x
  2. Step 2: Convert to fraction form
    60,921.91/84,073.17 = 34,064.29/x
  3. Step 3: Cross multiply
    60,921.91x = 84,073.17 × 34,064.29
  4. Step 4: Simplify right side
    60,921.91x = 2,863,892,844.10
  5. Step 5: Solve for x
    x = 2,863,892,844.10/60,921.91
  6. Step 6: Final answer
    x = 47,009.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.