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Finding the Fourth Proportional to 51,768.76, 71,264.58 and 38,314.66

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Solution

The fourth proportional to 51,768.76, 71,264.58 and 38,314.66 is: 52,743.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,768.76 : 71,264.58 = 38,314.66 : x
  2. Step 2: Convert to fraction form
    51,768.76/71,264.58 = 38,314.66/x
  3. Step 3: Cross multiply
    51,768.76x = 71,264.58 × 38,314.66
  4. Step 4: Simplify right side
    51,768.76x = 2,730,477,796.42
  5. Step 5: Solve for x
    x = 2,730,477,796.42/51,768.76
  6. Step 6: Final answer
    x = 52,743.74

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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.