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Finding the Fourth Proportional to 8,701.70, 13,043.97 and 5,572.82

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Solution

The fourth proportional to 8,701.70, 13,043.97 and 5,572.82 is: 8,353.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.70 : 13,043.97 = 5,572.82 : x
  2. Step 2: Convert to fraction form
    8,701.70/13,043.97 = 5,572.82/x
  3. Step 3: Cross multiply
    8,701.70x = 13,043.97 × 5,572.82
  4. Step 4: Simplify right side
    8,701.70x = 72,691,696.90
  5. Step 5: Solve for x
    x = 72,691,696.90/8,701.70
  6. Step 6: Final answer
    x = 8,353.74

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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.