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Finding the Fourth Proportional to 54,227.52, 74,834.36 and 30,356.40

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Solution

The fourth proportional to 54,227.52, 74,834.36 and 30,356.40 is: 41,892.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,227.52 : 74,834.36 = 30,356.40 : x
  2. Step 2: Convert to fraction form
    54,227.52/74,834.36 = 30,356.40/x
  3. Step 3: Cross multiply
    54,227.52x = 74,834.36 × 30,356.40
  4. Step 4: Simplify right side
    54,227.52x = 2,271,701,765.90
  5. Step 5: Solve for x
    x = 2,271,701,765.90/54,227.52
  6. Step 6: Final answer
    x = 41,892.05

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1.5x scale

Why These Related Problems?

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