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Finding the Fourth Proportional to 61,246.74, 84,499.34 and 34,385.52

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Solution

The fourth proportional to 61,246.74, 84,499.34 and 34,385.52 is: 47,440.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,246.74 : 84,499.34 = 34,385.52 : x
  2. Step 2: Convert to fraction form
    61,246.74/84,499.34 = 34,385.52/x
  3. Step 3: Cross multiply
    61,246.74x = 84,499.34 × 34,385.52
  4. Step 4: Simplify right side
    61,246.74x = 2,905,553,745.56
  5. Step 5: Solve for x
    x = 2,905,553,745.56/61,246.74
  6. Step 6: Final answer
    x = 47,440.14

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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.