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Finding the Fourth Proportional to 54,325.74, 74,969.28 and 30,452.42

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Solution

The fourth proportional to 54,325.74, 74,969.28 and 30,452.42 is: 42,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,325.74 : 74,969.28 = 30,452.42 : x
  2. Step 2: Convert to fraction form
    54,325.74/74,969.28 = 30,452.42/x
  3. Step 3: Cross multiply
    54,325.74x = 74,969.28 × 30,452.42
  4. Step 4: Simplify right side
    54,325.74x = 2,282,995,626.81
  5. Step 5: Solve for x
    x = 2,282,995,626.81/54,325.74
  6. Step 6: Final answer
    x = 42,024.20

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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.