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Finding the Fourth Proportional to 54,335.34, 74,982.96 and 34,205.54

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Solution

The fourth proportional to 54,335.34, 74,982.96 and 34,205.54 is: 47,203.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,335.34 : 74,982.96 = 34,205.54 : x
  2. Step 2: Convert to fraction form
    54,335.34/74,982.96 = 34,205.54/x
  3. Step 3: Cross multiply
    54,335.34x = 74,982.96 × 34,205.54
  4. Step 4: Simplify right side
    54,335.34x = 2,564,832,262.68
  5. Step 5: Solve for x
    x = 2,564,832,262.68/54,335.34
  6. Step 6: Final answer
    x = 47,203.76

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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.