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Finding the Fourth Proportional to 61,237.74, 84,502.29 and 34,374.99

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Solution

The fourth proportional to 61,237.74, 84,502.29 and 34,374.99 is: 47,434.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,237.74 : 84,502.29 = 34,374.99 : x
  2. Step 2: Convert to fraction form
    61,237.74/84,502.29 = 34,374.99/x
  3. Step 3: Cross multiply
    61,237.74x = 84,502.29 × 34,374.99
  4. Step 4: Simplify right side
    61,237.74x = 2,904,765,373.73
  5. Step 5: Solve for x
    x = 2,904,765,373.73/61,237.74
  6. Step 6: Final answer
    x = 47,434.24

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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.