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Finding the Fourth Proportional to 25,900.80, 38,851.20 and 24,880.20

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Solution

The fourth proportional to 25,900.80, 38,851.20 and 24,880.20 is: 37,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,900.80 : 38,851.20 = 24,880.20 : x
  2. Step 2: Convert to fraction form
    25,900.80/38,851.20 = 24,880.20/x
  3. Step 3: Cross multiply
    25,900.80x = 38,851.20 × 24,880.20
  4. Step 4: Simplify right side
    25,900.80x = 966,625,626.24
  5. Step 5: Solve for x
    x = 966,625,626.24/25,900.80
  6. Step 6: Final answer
    x = 37,320.30

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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.