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Finding the Fourth Proportional to 25,574.40, 38,419.20 and 24,883.20

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Solution

The fourth proportional to 25,574.40, 38,419.20 and 24,883.20 is: 37,380.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,574.40 : 38,419.20 = 24,883.20 : x
  2. Step 2: Convert to fraction form
    25,574.40/38,419.20 = 24,883.20/x
  3. Step 3: Cross multiply
    25,574.40x = 38,419.20 × 24,883.20
  4. Step 4: Simplify right side
    25,574.40x = 955,992,637.44
  5. Step 5: Solve for x
    x = 955,992,637.44/25,574.40
  6. Step 6: Final answer
    x = 37,380.84

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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.