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Finding the Fourth Proportional to 29,702.88, 44,555.00 and 9,981.61

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Solution

The fourth proportional to 29,702.88, 44,555.00 and 9,981.61 is: 14,972.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,702.88 : 44,555.00 = 9,981.61 : x
  2. Step 2: Convert to fraction form
    29,702.88/44,555.00 = 9,981.61/x
  3. Step 3: Cross multiply
    29,702.88x = 44,555.00 × 9,981.61
  4. Step 4: Simplify right side
    29,702.88x = 444,730,472.25
  5. Step 5: Solve for x
    x = 444,730,472.25/29,702.88
  6. Step 6: Final answer
    x = 14,972.64

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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.