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Finding the Fourth Proportional to 8,591.42, 12,886.70 and 5,035.52

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Solution

The fourth proportional to 8,591.42, 12,886.70 and 5,035.52 is: 7,553.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591.42 : 12,886.70 = 5,035.52 : x
  2. Step 2: Convert to fraction form
    8,591.42/12,886.70 = 5,035.52/x
  3. Step 3: Cross multiply
    8,591.42x = 12,886.70 × 5,035.52
  4. Step 4: Simplify right side
    8,591.42x = 64,891,235.58
  5. Step 5: Solve for x
    x = 64,891,235.58/8,591.42
  6. Step 6: Final answer
    x = 7,553.03

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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.