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Finding the Fourth Proportional to 58,422.66, 87,633.99 and 14,049.42

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Solution

The fourth proportional to 58,422.66, 87,633.99 and 14,049.42 is: 21,074.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,422.66 : 87,633.99 = 14,049.42 : x
  2. Step 2: Convert to fraction form
    58,422.66/87,633.99 = 14,049.42/x
  3. Step 3: Cross multiply
    58,422.66x = 87,633.99 × 14,049.42
  4. Step 4: Simplify right side
    58,422.66x = 1,231,206,731.79
  5. Step 5: Solve for x
    x = 1,231,206,731.79/58,422.66
  6. Step 6: Final answer
    x = 21,074.13

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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.