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Finding the Fourth Proportional to 25,902.40, 38,911.20 and 24,923.20

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Solution

The fourth proportional to 25,902.40, 38,911.20 and 24,923.20 is: 37,440.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,902.40 : 38,911.20 = 24,923.20 : x
  2. Step 2: Convert to fraction form
    25,902.40/38,911.20 = 24,923.20/x
  3. Step 3: Cross multiply
    25,902.40x = 38,911.20 × 24,923.20
  4. Step 4: Simplify right side
    25,902.40x = 969,791,619.84
  5. Step 5: Solve for x
    x = 969,791,619.84/25,902.40
  6. Step 6: Final answer
    x = 37,440.22

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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.