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Finding the Fourth Proportional to 63,603.48, 87,768.42 and 35,306.94

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Solution

The fourth proportional to 63,603.48, 87,768.42 and 35,306.94 is: 48,721.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,603.48 : 87,768.42 = 35,306.94 : x
  2. Step 2: Convert to fraction form
    63,603.48/87,768.42 = 35,306.94/x
  3. Step 3: Cross multiply
    63,603.48x = 87,768.42 × 35,306.94
  4. Step 4: Simplify right side
    63,603.48x = 3,098,834,338.83
  5. Step 5: Solve for x
    x = 3,098,834,338.83/63,603.48
  6. Step 6: Final answer
    x = 48,721.14

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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.