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Finding the Fourth Proportional to 9,332.17, 13,977.27 and 4,391.38

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Solution

The fourth proportional to 9,332.17, 13,977.27 and 4,391.38 is: 6,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.17 : 13,977.27 = 4,391.38 : x
  2. Step 2: Convert to fraction form
    9,332.17/13,977.27 = 4,391.38/x
  3. Step 3: Cross multiply
    9,332.17x = 13,977.27 × 4,391.38
  4. Step 4: Simplify right side
    9,332.17x = 61,379,503.93
  5. Step 5: Solve for x
    x = 61,379,503.93/9,332.17
  6. Step 6: Final answer
    x = 6,577.20

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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.