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Finding the Fourth Proportional to 25,893.24, 38,831.63 and 8,358.99

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Solution

The fourth proportional to 25,893.24, 38,831.63 and 8,358.99 is: 12,535.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,893.24 : 38,831.63 = 8,358.99 : x
  2. Step 2: Convert to fraction form
    25,893.24/38,831.63 = 8,358.99/x
  3. Step 3: Cross multiply
    25,893.24x = 38,831.63 × 8,358.99
  4. Step 4: Simplify right side
    25,893.24x = 324,593,165.06
  5. Step 5: Solve for x
    x = 324,593,165.06/25,893.24
  6. Step 6: Final answer
    x = 12,535.83

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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.