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Finding the Fourth Proportional to 9,702, 14,553.54 and 3,127.68

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Solution

The fourth proportional to 9,702, 14,553.54 and 3,127.68 is: 4,691.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,702 : 14,553.54 = 3,127.68 : x
  2. Step 2: Convert to fraction form
    9,702/14,553.54 = 3,127.68/x
  3. Step 3: Cross multiply
    9,702x = 14,553.54 × 3,127.68
  4. Step 4: Simplify right side
    9,702x = 45,518,815.99
  5. Step 5: Solve for x
    x = 45,518,815.99/9,702
  6. Step 6: Final answer
    x = 4,691.69

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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.