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Finding the Fourth Proportional to 8,714.06, 13,069.71 and 7,242.73

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Solution

The fourth proportional to 8,714.06, 13,069.71 and 7,242.73 is: 10,862.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714.06 : 13,069.71 = 7,242.73 : x
  2. Step 2: Convert to fraction form
    8,714.06/13,069.71 = 7,242.73/x
  3. Step 3: Cross multiply
    8,714.06x = 13,069.71 × 7,242.73
  4. Step 4: Simplify right side
    8,714.06x = 94,660,380.71
  5. Step 5: Solve for x
    x = 94,660,380.71/8,714.06
  6. Step 6: Final answer
    x = 10,862.95

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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.