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Finding the Fourth Proportional to 8,714.52, 13,071.78 and 3,516.75

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Solution

The fourth proportional to 8,714.52, 13,071.78 and 3,516.75 is: 5,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714.52 : 13,071.78 = 3,516.75 : x
  2. Step 2: Convert to fraction form
    8,714.52/13,071.78 = 3,516.75/x
  3. Step 3: Cross multiply
    8,714.52x = 13,071.78 × 3,516.75
  4. Step 4: Simplify right side
    8,714.52x = 45,970,182.32
  5. Step 5: Solve for x
    x = 45,970,182.32/8,714.52
  6. Step 6: Final answer
    x = 5,275.13

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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.