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Finding the Fourth Proportional to 63,805.02, 88,049.66 and 39,944.84

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Solution

The fourth proportional to 63,805.02, 88,049.66 and 39,944.84 is: 55,123.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,805.02 : 88,049.66 = 39,944.84 : x
  2. Step 2: Convert to fraction form
    63,805.02/88,049.66 = 39,944.84/x
  3. Step 3: Cross multiply
    63,805.02x = 88,049.66 × 39,944.84
  4. Step 4: Simplify right side
    63,805.02x = 3,517,129,580.75
  5. Step 5: Solve for x
    x = 3,517,129,580.75/63,805.02
  6. Step 6: Final answer
    x = 55,123.09

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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.