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Finding the Fourth Proportional to 27,200.70, 40,801.05 and 25,669.80

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Solution

The fourth proportional to 27,200.70, 40,801.05 and 25,669.80 is: 38,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,200.70 : 40,801.05 = 25,669.80 : x
  2. Step 2: Convert to fraction form
    27,200.70/40,801.05 = 25,669.80/x
  3. Step 3: Cross multiply
    27,200.70x = 40,801.05 × 25,669.80
  4. Step 4: Simplify right side
    27,200.70x = 1,047,354,793.29
  5. Step 5: Solve for x
    x = 1,047,354,793.29/27,200.70
  6. Step 6: Final answer
    x = 38,504.70

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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.