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Finding the Fourth Proportional to 8,932.32, 12,326.76 and 5,395.68

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Solution

The fourth proportional to 8,932.32, 12,326.76 and 5,395.68 is: 7,446.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.32 : 12,326.76 = 5,395.68 : x
  2. Step 2: Convert to fraction form
    8,932.32/12,326.76 = 5,395.68/x
  3. Step 3: Cross multiply
    8,932.32x = 12,326.76 × 5,395.68
  4. Step 4: Simplify right side
    8,932.32x = 66,511,252.40
  5. Step 5: Solve for x
    x = 66,511,252.40/8,932.32
  6. Step 6: Final answer
    x = 7,446.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.