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Finding the Fourth Proportional to 8,753.18, 12,079.41 and 5,027.18

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Solution

The fourth proportional to 8,753.18, 12,079.41 and 5,027.18 is: 6,937.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.18 : 12,079.41 = 5,027.18 : x
  2. Step 2: Convert to fraction form
    8,753.18/12,079.41 = 5,027.18/x
  3. Step 3: Cross multiply
    8,753.18x = 12,079.41 × 5,027.18
  4. Step 4: Simplify right side
    8,753.18x = 60,725,368.36
  5. Step 5: Solve for x
    x = 60,725,368.36/8,753.18
  6. Step 6: Final answer
    x = 6,937.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.