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Finding the Fourth Proportional to 8,475.68, 12,713.52 and 2,929.16

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Solution

The fourth proportional to 8,475.68, 12,713.52 and 2,929.16 is: 4,393.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.68 : 12,713.52 = 2,929.16 : x
  2. Step 2: Convert to fraction form
    8,475.68/12,713.52 = 2,929.16/x
  3. Step 3: Cross multiply
    8,475.68x = 12,713.52 × 2,929.16
  4. Step 4: Simplify right side
    8,475.68x = 37,239,934.24
  5. Step 5: Solve for x
    x = 37,239,934.24/8,475.68
  6. Step 6: Final answer
    x = 4,393.74

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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.