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Finding the Fourth Proportional to 59,965.20, 82,722.60 and 38,762.64

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Solution

The fourth proportional to 59,965.20, 82,722.60 and 38,762.64 is: 53,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,965.20 : 82,722.60 = 38,762.64 : x
  2. Step 2: Convert to fraction form
    59,965.20/82,722.60 = 38,762.64/x
  3. Step 3: Cross multiply
    59,965.20x = 82,722.60 × 38,762.64
  4. Step 4: Simplify right side
    59,965.20x = 3,206,546,363.66
  5. Step 5: Solve for x
    x = 3,206,546,363.66/59,965.20
  6. Step 6: Final answer
    x = 53,473.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.