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Finding the Fourth Proportional to 82,947.88, 124,473.42 and 33,699.88

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Solution

The fourth proportional to 82,947.88, 124,473.42 and 33,699.88 is: 50,570.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,947.88 : 124,473.42 = 33,699.88 : x
  2. Step 2: Convert to fraction form
    82,947.88/124,473.42 = 33,699.88/x
  3. Step 3: Cross multiply
    82,947.88x = 124,473.42 × 33,699.88
  4. Step 4: Simplify right side
    82,947.88x = 4,194,739,317.19
  5. Step 5: Solve for x
    x = 4,194,739,317.19/82,947.88
  6. Step 6: Final answer
    x = 50,570.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.