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Finding the Fourth Proportional to 54,358.54, 74,945.33 and 35,204.47

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Solution

The fourth proportional to 54,358.54, 74,945.33 and 35,204.47 is: 48,537.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,358.54 : 74,945.33 = 35,204.47 : x
  2. Step 2: Convert to fraction form
    54,358.54/74,945.33 = 35,204.47/x
  3. Step 3: Cross multiply
    54,358.54x = 74,945.33 × 35,204.47
  4. Step 4: Simplify right side
    54,358.54x = 2,638,410,246.90
  5. Step 5: Solve for x
    x = 2,638,410,246.90/54,358.54
  6. Step 6: Final answer
    x = 48,537.18

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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.