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Finding the Fourth Proportional to 14,965.61, 22,462.31 and 7,575.22

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Solution

The fourth proportional to 14,965.61, 22,462.31 and 7,575.22 is: 11,369.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,965.61 : 22,462.31 = 7,575.22 : x
  2. Step 2: Convert to fraction form
    14,965.61/22,462.31 = 7,575.22/x
  3. Step 3: Cross multiply
    14,965.61x = 22,462.31 × 7,575.22
  4. Step 4: Simplify right side
    14,965.61x = 170,156,986.97
  5. Step 5: Solve for x
    x = 170,156,986.97/14,965.61
  6. Step 6: Final answer
    x = 11,369.87

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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.