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Finding the Fourth Proportional to 62,821.46, 86,603.88 and 44,909.90

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Solution

The fourth proportional to 62,821.46, 86,603.88 and 44,909.90 is: 61,911.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,821.46 : 86,603.88 = 44,909.90 : x
  2. Step 2: Convert to fraction form
    62,821.46/86,603.88 = 44,909.90/x
  3. Step 3: Cross multiply
    62,821.46x = 86,603.88 × 44,909.90
  4. Step 4: Simplify right side
    62,821.46x = 3,889,371,590.41
  5. Step 5: Solve for x
    x = 3,889,371,590.41/62,821.46
  6. Step 6: Final answer
    x = 61,911.51

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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.