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Finding the Fourth Proportional to 7,866.52, 11,792.49 and 2,932.40

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Solution

The fourth proportional to 7,866.52, 11,792.49 and 2,932.40 is: 4,395.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866.52 : 11,792.49 = 2,932.40 : x
  2. Step 2: Convert to fraction form
    7,866.52/11,792.49 = 2,932.40/x
  3. Step 3: Cross multiply
    7,866.52x = 11,792.49 × 2,932.40
  4. Step 4: Simplify right side
    7,866.52x = 34,580,316.16
  5. Step 5: Solve for x
    x = 34,580,316.16/7,866.52
  6. Step 6: Final answer
    x = 4,395.89

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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.