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Finding the Fourth Proportional to 61,555.92, 84,947.13 and 33,261.54

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Solution

The fourth proportional to 61,555.92, 84,947.13 and 33,261.54 is: 45,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,555.92 : 84,947.13 = 33,261.54 : x
  2. Step 2: Convert to fraction form
    61,555.92/84,947.13 = 33,261.54/x
  3. Step 3: Cross multiply
    61,555.92x = 84,947.13 × 33,261.54
  4. Step 4: Simplify right side
    61,555.92x = 2,825,472,362.38
  5. Step 5: Solve for x
    x = 2,825,472,362.38/61,555.92
  6. Step 6: Final answer
    x = 45,900.90

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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.