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Finding the Fourth Proportional to 41,762.80, 62,639.88 and 39,326.32

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Solution

The fourth proportional to 41,762.80, 62,639.88 and 39,326.32 is: 58,985.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,762.80 : 62,639.88 = 39,326.32 : x
  2. Step 2: Convert to fraction form
    41,762.80/62,639.88 = 39,326.32/x
  3. Step 3: Cross multiply
    41,762.80x = 62,639.88 × 39,326.32
  4. Step 4: Simplify right side
    41,762.80x = 2,463,395,965.64
  5. Step 5: Solve for x
    x = 2,463,395,965.64/41,762.80
  6. Step 6: Final answer
    x = 58,985.41

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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.