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Finding the Fourth Proportional to 39,876.30, 59,814.54 and 37,440.54

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Solution

The fourth proportional to 39,876.30, 59,814.54 and 37,440.54 is: 56,160.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,876.30 : 59,814.54 = 37,440.54 : x
  2. Step 2: Convert to fraction form
    39,876.30/59,814.54 = 37,440.54/x
  3. Step 3: Cross multiply
    39,876.30x = 59,814.54 × 37,440.54
  4. Step 4: Simplify right side
    39,876.30x = 2,239,488,677.45
  5. Step 5: Solve for x
    x = 2,239,488,677.45/39,876.30
  6. Step 6: Final answer
    x = 56,160.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.