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Finding the Fourth Proportional to 55,247.80, 82,914.90 and 25,669.30

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Solution

The fourth proportional to 55,247.80, 82,914.90 and 25,669.30 is: 38,524.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,247.80 : 82,914.90 = 25,669.30 : x
  2. Step 2: Convert to fraction form
    55,247.80/82,914.90 = 25,669.30/x
  3. Step 3: Cross multiply
    55,247.80x = 82,914.90 × 25,669.30
  4. Step 4: Simplify right side
    55,247.80x = 2,128,367,442.57
  5. Step 5: Solve for x
    x = 2,128,367,442.57/55,247.80
  6. Step 6: Final answer
    x = 38,524.02

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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.