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Finding the Fourth Proportional to 14,831.60, 22,251.72 and 7,029.68

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Solution

The fourth proportional to 14,831.60, 22,251.72 and 7,029.68 is: 10,546.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,831.60 : 22,251.72 = 7,029.68 : x
  2. Step 2: Convert to fraction form
    14,831.60/22,251.72 = 7,029.68/x
  3. Step 3: Cross multiply
    14,831.60x = 22,251.72 × 7,029.68
  4. Step 4: Simplify right side
    14,831.60x = 156,422,471.05
  5. Step 5: Solve for x
    x = 156,422,471.05/14,831.60
  6. Step 6: Final answer
    x = 10,546.57

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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.