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Finding the Fourth Proportional to 58,642.65, 87,958.31 and 16,522.11

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Solution

The fourth proportional to 58,642.65, 87,958.31 and 16,522.11 is: 24,781.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,642.65 : 87,958.31 = 16,522.11 : x
  2. Step 2: Convert to fraction form
    58,642.65/87,958.31 = 16,522.11/x
  3. Step 3: Cross multiply
    58,642.65x = 87,958.31 × 16,522.11
  4. Step 4: Simplify right side
    58,642.65x = 1,453,256,790.62
  5. Step 5: Solve for x
    x = 1,453,256,790.62/58,642.65
  6. Step 6: Final answer
    x = 24,781.57

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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.