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Finding the Fourth Proportional to 15,193.71, 22,765.05 and 10,789.34

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Solution

The fourth proportional to 15,193.71, 22,765.05 and 10,789.34 is: 16,165.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,193.71 : 22,765.05 = 10,789.34 : x
  2. Step 2: Convert to fraction form
    15,193.71/22,765.05 = 10,789.34/x
  3. Step 3: Cross multiply
    15,193.71x = 22,765.05 × 10,789.34
  4. Step 4: Simplify right side
    15,193.71x = 245,619,750.74
  5. Step 5: Solve for x
    x = 245,619,750.74/15,193.71
  6. Step 6: Final answer
    x = 16,165.88

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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.