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Finding the Fourth Proportional to 55,606.88, 83,352 and 40,793.60

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Solution

The fourth proportional to 55,606.88, 83,352 and 40,793.60 is: 61,147.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,606.88 : 83,352 = 40,793.60 : x
  2. Step 2: Convert to fraction form
    55,606.88/83,352 = 40,793.60/x
  3. Step 3: Cross multiply
    55,606.88x = 83,352 × 40,793.60
  4. Step 4: Simplify right side
    55,606.88x = 3,400,228,147.20
  5. Step 5: Solve for x
    x = 3,400,228,147.20/55,606.88
  6. Step 6: Final answer
    x = 61,147.62

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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.