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Finding the Fourth Proportional to 61,454.70, 84,807.61 and 34,597.13

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Solution

The fourth proportional to 61,454.70, 84,807.61 and 34,597.13 is: 47,744.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,454.70 : 84,807.61 = 34,597.13 : x
  2. Step 2: Convert to fraction form
    61,454.70/84,807.61 = 34,597.13/x
  3. Step 3: Cross multiply
    61,454.70x = 84,807.61 × 34,597.13
  4. Step 4: Simplify right side
    61,454.70x = 2,934,099,397.63
  5. Step 5: Solve for x
    x = 2,934,099,397.63/61,454.70
  6. Step 6: Final answer
    x = 47,744.10

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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.