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Finding the Fourth Proportional to 55,773.33, 83,660.10 and 39,207.45

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Solution

The fourth proportional to 55,773.33, 83,660.10 and 39,207.45 is: 58,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,773.33 : 83,660.10 = 39,207.45 : x
  2. Step 2: Convert to fraction form
    55,773.33/83,660.10 = 39,207.45/x
  3. Step 3: Cross multiply
    55,773.33x = 83,660.10 × 39,207.45
  4. Step 4: Simplify right side
    55,773.33x = 3,280,099,187.75
  5. Step 5: Solve for x
    x = 3,280,099,187.75/55,773.33
  6. Step 6: Final answer
    x = 58,811.25

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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.