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Finding the Fourth Proportional to 23,751.60, 35,632.80 and 13,885.80

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Solution

The fourth proportional to 23,751.60, 35,632.80 and 13,885.80 is: 20,831.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,751.60 : 35,632.80 = 13,885.80 : x
  2. Step 2: Convert to fraction form
    23,751.60/35,632.80 = 13,885.80/x
  3. Step 3: Cross multiply
    23,751.60x = 35,632.80 × 13,885.80
  4. Step 4: Simplify right side
    23,751.60x = 494,789,934.24
  5. Step 5: Solve for x
    x = 494,789,934.24/23,751.60
  6. Step 6: Final answer
    x = 20,831.86

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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.