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Finding the Fourth Proportional to 61,732.80, 85,132.80 and 44,848.80

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Solution

The fourth proportional to 61,732.80, 85,132.80 and 44,848.80 is: 61,848.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,732.80 : 85,132.80 = 44,848.80 : x
  2. Step 2: Convert to fraction form
    61,732.80/85,132.80 = 44,848.80/x
  3. Step 3: Cross multiply
    61,732.80x = 85,132.80 × 44,848.80
  4. Step 4: Simplify right side
    61,732.80x = 3,818,103,920.64
  5. Step 5: Solve for x
    x = 3,818,103,920.64/61,732.80
  6. Step 6: Final answer
    x = 61,848.87

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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.