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Finding the Fourth Proportional to 7,509.01, 11,251.13 and 2,575.98

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Solution

The fourth proportional to 7,509.01, 11,251.13 and 2,575.98 is: 3,859.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.01 : 11,251.13 = 2,575.98 : x
  2. Step 2: Convert to fraction form
    7,509.01/11,251.13 = 2,575.98/x
  3. Step 3: Cross multiply
    7,509.01x = 11,251.13 × 2,575.98
  4. Step 4: Simplify right side
    7,509.01x = 28,982,685.86
  5. Step 5: Solve for x
    x = 28,982,685.86/7,509.01
  6. Step 6: Final answer
    x = 3,859.72

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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.