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Finding the Fourth Proportional to 55,967.85, 83,951.78 and 52,684.65

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Solution

The fourth proportional to 55,967.85, 83,951.78 and 52,684.65 is: 79,026.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,967.85 : 83,951.78 = 52,684.65 : x
  2. Step 2: Convert to fraction form
    55,967.85/83,951.78 = 52,684.65/x
  3. Step 3: Cross multiply
    55,967.85x = 83,951.78 × 52,684.65
  4. Step 4: Simplify right side
    55,967.85x = 4,422,969,882.75
  5. Step 5: Solve for x
    x = 4,422,969,882.75/55,967.85
  6. Step 6: Final answer
    x = 79,026.98

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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.