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Finding the Fourth Proportional to 41,764.80, 62,642.88 and 39,328.32

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Solution

The fourth proportional to 41,764.80, 62,642.88 and 39,328.32 is: 58,988.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,764.80 : 62,642.88 = 39,328.32 : x
  2. Step 2: Convert to fraction form
    41,764.80/62,642.88 = 39,328.32/x
  3. Step 3: Cross multiply
    41,764.80x = 62,642.88 × 39,328.32
  4. Step 4: Simplify right side
    41,764.80x = 2,463,639,230.36
  5. Step 5: Solve for x
    x = 2,463,639,230.36/41,764.80
  6. Step 6: Final answer
    x = 58,988.41

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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.