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Finding the Fourth Proportional to 52,610.70, 78,927.09 and 15,170.70

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Solution

The fourth proportional to 52,610.70, 78,927.09 and 15,170.70 is: 22,759.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,610.70 : 78,927.09 = 15,170.70 : x
  2. Step 2: Convert to fraction form
    52,610.70/78,927.09 = 15,170.70/x
  3. Step 3: Cross multiply
    52,610.70x = 78,927.09 × 15,170.70
  4. Step 4: Simplify right side
    52,610.70x = 1,197,379,204.26
  5. Step 5: Solve for x
    x = 1,197,379,204.26/52,610.70
  6. Step 6: Final answer
    x = 22,759.23

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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.