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Finding the Fourth Proportional to 24,390.76, 33,659.16 and 13,212.76

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Solution

The fourth proportional to 24,390.76, 33,659.16 and 13,212.76 is: 18,233.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,390.76 : 33,659.16 = 13,212.76 : x
  2. Step 2: Convert to fraction form
    24,390.76/33,659.16 = 13,212.76/x
  3. Step 3: Cross multiply
    24,390.76x = 33,659.16 × 13,212.76
  4. Step 4: Simplify right side
    24,390.76x = 444,730,402.88
  5. Step 5: Solve for x
    x = 444,730,402.88/24,390.76
  6. Step 6: Final answer
    x = 18,233.56

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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.