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Finding the Fourth Proportional to 14,915.47, 22,372.03 and 8,671.50

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Solution

The fourth proportional to 14,915.47, 22,372.03 and 8,671.50 is: 13,006.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,915.47 : 22,372.03 = 8,671.50 : x
  2. Step 2: Convert to fraction form
    14,915.47/22,372.03 = 8,671.50/x
  3. Step 3: Cross multiply
    14,915.47x = 22,372.03 × 8,671.50
  4. Step 4: Simplify right side
    14,915.47x = 193,999,085.24
  5. Step 5: Solve for x
    x = 193,999,085.24/14,915.47
  6. Step 6: Final answer
    x = 13,006.57

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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.