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Finding the Fourth Proportional to 8,894.16, 13,338 and 3,959.04

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Solution

The fourth proportional to 8,894.16, 13,338 and 3,959.04 is: 5,937.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894.16 : 13,338 = 3,959.04 : x
  2. Step 2: Convert to fraction form
    8,894.16/13,338 = 3,959.04/x
  3. Step 3: Cross multiply
    8,894.16x = 13,338 × 3,959.04
  4. Step 4: Simplify right side
    8,894.16x = 52,805,675.52
  5. Step 5: Solve for x
    x = 52,805,675.52/8,894.16
  6. Step 6: Final answer
    x = 5,937.12

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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.