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Finding the Fourth Proportional to 8,932.84, 13,391.32 and 3,382.32

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Solution

The fourth proportional to 8,932.84, 13,391.32 and 3,382.32 is: 5,070.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.84 : 13,391.32 = 3,382.32 : x
  2. Step 2: Convert to fraction form
    8,932.84/13,391.32 = 3,382.32/x
  3. Step 3: Cross multiply
    8,932.84x = 13,391.32 × 3,382.32
  4. Step 4: Simplify right side
    8,932.84x = 45,293,729.46
  5. Step 5: Solve for x
    x = 45,293,729.46/8,932.84
  6. Step 6: Final answer
    x = 5,070.47

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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.