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Finding the Fourth Proportional to 54,842.52, 75,609.49 and 43,549.40

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Solution

The fourth proportional to 54,842.52, 75,609.49 and 43,549.40 is: 60,040.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,842.52 : 75,609.49 = 43,549.40 : x
  2. Step 2: Convert to fraction form
    54,842.52/75,609.49 = 43,549.40/x
  3. Step 3: Cross multiply
    54,842.52x = 75,609.49 × 43,549.40
  4. Step 4: Simplify right side
    54,842.52x = 3,292,747,599.07
  5. Step 5: Solve for x
    x = 3,292,747,599.07/54,842.52
  6. Step 6: Final answer
    x = 60,040.05

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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.