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Finding the Fourth Proportional to 29,975.47, 44,963.17 and 8,915.43

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Solution

The fourth proportional to 29,975.47, 44,963.17 and 8,915.43 is: 13,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,975.47 : 44,963.17 = 8,915.43 : x
  2. Step 2: Convert to fraction form
    29,975.47/44,963.17 = 8,915.43/x
  3. Step 3: Cross multiply
    29,975.47x = 44,963.17 × 8,915.43
  4. Step 4: Simplify right side
    29,975.47x = 400,865,994.71
  5. Step 5: Solve for x
    x = 400,865,994.71/29,975.47
  6. Step 6: Final answer
    x = 13,373.13

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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.