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Finding the Fourth Proportional to 27,329.88, 40,999.12 and 9,565.50

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Solution

The fourth proportional to 27,329.88, 40,999.12 and 9,565.50 is: 14,349.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,329.88 : 40,999.12 = 9,565.50 : x
  2. Step 2: Convert to fraction form
    27,329.88/40,999.12 = 9,565.50/x
  3. Step 3: Cross multiply
    27,329.88x = 40,999.12 × 9,565.50
  4. Step 4: Simplify right side
    27,329.88x = 392,177,082.36
  5. Step 5: Solve for x
    x = 392,177,082.36/27,329.88
  6. Step 6: Final answer
    x = 14,349.76

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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.