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Finding the Fourth Proportional to 67,023.76, 92,466.28 and 38,724.24

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Solution

The fourth proportional to 67,023.76, 92,466.28 and 38,724.24 is: 53,424.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,023.76 : 92,466.28 = 38,724.24 : x
  2. Step 2: Convert to fraction form
    67,023.76/92,466.28 = 38,724.24/x
  3. Step 3: Cross multiply
    67,023.76x = 92,466.28 × 38,724.24
  4. Step 4: Simplify right side
    67,023.76x = 3,580,686,418.63
  5. Step 5: Solve for x
    x = 3,580,686,418.63/67,023.76
  6. Step 6: Final answer
    x = 53,424.14

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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.