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Finding the Fourth Proportional to 8,714.38, 13,070.97 and 5,013.88

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Solution

The fourth proportional to 8,714.38, 13,070.97 and 5,013.88 is: 7,520.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714.38 : 13,070.97 = 5,013.88 : x
  2. Step 2: Convert to fraction form
    8,714.38/13,070.97 = 5,013.88/x
  3. Step 3: Cross multiply
    8,714.38x = 13,070.97 × 5,013.88
  4. Step 4: Simplify right side
    8,714.38x = 65,536,275.06
  5. Step 5: Solve for x
    x = 65,536,275.06/8,714.38
  6. Step 6: Final answer
    x = 7,520.47

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1.5x scale

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.