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Finding the Fourth Proportional to 25,806.80, 38,710.20 and 24,057.20

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Solution

The fourth proportional to 25,806.80, 38,710.20 and 24,057.20 is: 36,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,806.80 : 38,710.20 = 24,057.20 : x
  2. Step 2: Convert to fraction form
    25,806.80/38,710.20 = 24,057.20/x
  3. Step 3: Cross multiply
    25,806.80x = 38,710.20 × 24,057.20
  4. Step 4: Simplify right side
    25,806.80x = 931,259,023.44
  5. Step 5: Solve for x
    x = 931,259,023.44/25,806.80
  6. Step 6: Final answer
    x = 36,085.80

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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.