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Finding the Fourth Proportional to 54,001, 74,513.46 and 30,125.80

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Solution

The fourth proportional to 54,001, 74,513.46 and 30,125.80 is: 41,569.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,001 : 74,513.46 = 30,125.80 : x
  2. Step 2: Convert to fraction form
    54,001/74,513.46 = 30,125.80/x
  3. Step 3: Cross multiply
    54,001x = 74,513.46 × 30,125.80
  4. Step 4: Simplify right side
    54,001x = 2,244,777,593.27
  5. Step 5: Solve for x
    x = 2,244,777,593.27/54,001
  6. Step 6: Final answer
    x = 41,569.19

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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.