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Finding the Fourth Proportional to 25,831.80, 38,750.94 and 8,301.24

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Solution

The fourth proportional to 25,831.80, 38,750.94 and 8,301.24 is: 12,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,831.80 : 38,750.94 = 8,301.24 : x
  2. Step 2: Convert to fraction form
    25,831.80/38,750.94 = 8,301.24/x
  3. Step 3: Cross multiply
    25,831.80x = 38,750.94 × 8,301.24
  4. Step 4: Simplify right side
    25,831.80x = 321,680,853.17
  5. Step 5: Solve for x
    x = 321,680,853.17/25,831.80
  6. Step 6: Final answer
    x = 12,452.90

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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.