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Finding the Fourth Proportional to 7,500.91, 11,251.47 and 2,570.44

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Solution

The fourth proportional to 7,500.91, 11,251.47 and 2,570.44 is: 3,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.91 : 11,251.47 = 2,570.44 : x
  2. Step 2: Convert to fraction form
    7,500.91/11,251.47 = 2,570.44/x
  3. Step 3: Cross multiply
    7,500.91x = 11,251.47 × 2,570.44
  4. Step 4: Simplify right side
    7,500.91x = 28,921,228.55
  5. Step 5: Solve for x
    x = 28,921,228.55/7,500.91
  6. Step 6: Final answer
    x = 3,855.70

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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.