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Finding the Fourth Proportional to 61,185.24, 84,432.78 and 36,029.88

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Solution

The fourth proportional to 61,185.24, 84,432.78 and 36,029.88 is: 49,719.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,185.24 : 84,432.78 = 36,029.88 : x
  2. Step 2: Convert to fraction form
    61,185.24/84,432.78 = 36,029.88/x
  3. Step 3: Cross multiply
    61,185.24x = 84,432.78 × 36,029.88
  4. Step 4: Simplify right side
    61,185.24x = 3,042,102,931.47
  5. Step 5: Solve for x
    x = 3,042,102,931.47/61,185.24
  6. Step 6: Final answer
    x = 49,719.56

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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.