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Finding the Fourth Proportional to 8,354.46, 12,534 and 7,436.43

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Solution

The fourth proportional to 8,354.46, 12,534 and 7,436.43 is: 11,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.46 : 12,534 = 7,436.43 : x
  2. Step 2: Convert to fraction form
    8,354.46/12,534 = 7,436.43/x
  3. Step 3: Cross multiply
    8,354.46x = 12,534 × 7,436.43
  4. Step 4: Simplify right side
    8,354.46x = 93,208,213.62
  5. Step 5: Solve for x
    x = 93,208,213.62/8,354.46
  6. Step 6: Final answer
    x = 11,156.70

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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.