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Finding the Fourth Proportional to 24,555.78, 33,886.98 and 13,377.78

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Solution

The fourth proportional to 24,555.78, 33,886.98 and 13,377.78 is: 18,461.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,555.78 : 33,886.98 = 13,377.78 : x
  2. Step 2: Convert to fraction form
    24,555.78/33,886.98 = 13,377.78/x
  3. Step 3: Cross multiply
    24,555.78x = 33,886.98 × 13,377.78
  4. Step 4: Simplify right side
    24,555.78x = 453,332,563.30
  5. Step 5: Solve for x
    x = 453,332,563.30/24,555.78
  6. Step 6: Final answer
    x = 18,461.34

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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.