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Finding the Fourth Proportional to 24,478.76, 33,780.56 and 13,300.76

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Solution

The fourth proportional to 24,478.76, 33,780.56 and 13,300.76 is: 18,354.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,478.76 : 33,780.56 = 13,300.76 : x
  2. Step 2: Convert to fraction form
    24,478.76/33,780.56 = 13,300.76/x
  3. Step 3: Cross multiply
    24,478.76x = 33,780.56 × 13,300.76
  4. Step 4: Simplify right side
    24,478.76x = 449,306,885.82
  5. Step 5: Solve for x
    x = 449,306,885.82/24,478.76
  6. Step 6: Final answer
    x = 18,354.97

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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.