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Finding the Fourth Proportional to 54,159.57, 74,747.16 and 30,287.58

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Solution

The fourth proportional to 54,159.57, 74,747.16 and 30,287.58 is: 41,800.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,159.57 : 74,747.16 = 30,287.58 : x
  2. Step 2: Convert to fraction form
    54,159.57/74,747.16 = 30,287.58/x
  3. Step 3: Cross multiply
    54,159.57x = 74,747.16 × 30,287.58
  4. Step 4: Simplify right side
    54,159.57x = 2,263,910,588.27
  5. Step 5: Solve for x
    x = 2,263,910,588.27/54,159.57
  6. Step 6: Final answer
    x = 41,800.75

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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.