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Finding the Fourth Proportional to 47,388.20, 65,395.30 and 26,167.64

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Solution

The fourth proportional to 47,388.20, 65,395.30 and 26,167.64 is: 36,111.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,388.20 : 65,395.30 = 26,167.64 : x
  2. Step 2: Convert to fraction form
    47,388.20/65,395.30 = 26,167.64/x
  3. Step 3: Cross multiply
    47,388.20x = 65,395.30 × 26,167.64
  4. Step 4: Simplify right side
    47,388.20x = 1,711,240,668.09
  5. Step 5: Solve for x
    x = 1,711,240,668.09/47,388.20
  6. Step 6: Final answer
    x = 36,111.11

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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.