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Finding the Fourth Proportional to 62,355.10, 86,048.64 and 34,060.90

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Solution

The fourth proportional to 62,355.10, 86,048.64 and 34,060.90 is: 47,003.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,355.10 : 86,048.64 = 34,060.90 : x
  2. Step 2: Convert to fraction form
    62,355.10/86,048.64 = 34,060.90/x
  3. Step 3: Cross multiply
    62,355.10x = 86,048.64 × 34,060.90
  4. Step 4: Simplify right side
    62,355.10x = 2,930,894,122.18
  5. Step 5: Solve for x
    x = 2,930,894,122.18/62,355.10
  6. Step 6: Final answer
    x = 47,003.28

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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.