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Finding the Fourth Proportional to 8,754.92, 12,080.04 and 5,569.46

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Solution

The fourth proportional to 8,754.92, 12,080.04 and 5,569.46 is: 7,684.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.92 : 12,080.04 = 5,569.46 : x
  2. Step 2: Convert to fraction form
    8,754.92/12,080.04 = 5,569.46/x
  3. Step 3: Cross multiply
    8,754.92x = 12,080.04 × 5,569.46
  4. Step 4: Simplify right side
    8,754.92x = 67,279,299.58
  5. Step 5: Solve for x
    x = 67,279,299.58/8,754.92
  6. Step 6: Final answer
    x = 7,684.74

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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.