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Finding the Fourth Proportional to 61,555.98, 84,947.22 and 33,261.66

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Solution

The fourth proportional to 61,555.98, 84,947.22 and 33,261.66 is: 45,901.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,555.98 : 84,947.22 = 33,261.66 : x
  2. Step 2: Convert to fraction form
    61,555.98/84,947.22 = 33,261.66/x
  3. Step 3: Cross multiply
    61,555.98x = 84,947.22 × 33,261.66
  4. Step 4: Simplify right side
    61,555.98x = 2,825,485,549.59
  5. Step 5: Solve for x
    x = 2,825,485,549.59/61,555.98
  6. Step 6: Final answer
    x = 45,901.07

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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.