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Finding the Fourth Proportional to 54,641.52, 75,404.52 and 30,442.37

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Solution

The fourth proportional to 54,641.52, 75,404.52 and 30,442.37 is: 42,010.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,641.52 : 75,404.52 = 30,442.37 : x
  2. Step 2: Convert to fraction form
    54,641.52/75,404.52 = 30,442.37/x
  3. Step 3: Cross multiply
    54,641.52x = 75,404.52 × 30,442.37
  4. Step 4: Simplify right side
    54,641.52x = 2,295,491,920.49
  5. Step 5: Solve for x
    x = 2,295,491,920.49/54,641.52
  6. Step 6: Final answer
    x = 42,010.03

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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.