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Finding the Fourth Proportional to 24,989.76, 34,486.20 and 13,659.48

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Solution

The fourth proportional to 24,989.76, 34,486.20 and 13,659.48 is: 18,850.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,989.76 : 34,486.20 = 13,659.48 : x
  2. Step 2: Convert to fraction form
    24,989.76/34,486.20 = 13,659.48/x
  3. Step 3: Cross multiply
    24,989.76x = 34,486.20 × 13,659.48
  4. Step 4: Simplify right side
    24,989.76x = 471,063,559.18
  5. Step 5: Solve for x
    x = 471,063,559.18/24,989.76
  6. Step 6: Final answer
    x = 18,850.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.