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Finding the Fourth Proportional to 54,537.40, 81,806.10 and 52,233.40

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Solution

The fourth proportional to 54,537.40, 81,806.10 and 52,233.40 is: 78,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,537.40 : 81,806.10 = 52,233.40 : x
  2. Step 2: Convert to fraction form
    54,537.40/81,806.10 = 52,233.40/x
  3. Step 3: Cross multiply
    54,537.40x = 81,806.10 × 52,233.40
  4. Step 4: Simplify right side
    54,537.40x = 4,273,010,743.74
  5. Step 5: Solve for x
    x = 4,273,010,743.74/54,537.40
  6. Step 6: Final answer
    x = 78,350.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.