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Finding the Fourth Proportional to 23,161.28, 34,734.20 and 7,575.28

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Solution

The fourth proportional to 23,161.28, 34,734.20 and 7,575.28 is: 11,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,161.28 : 34,734.20 = 7,575.28 : x
  2. Step 2: Convert to fraction form
    23,161.28/34,734.20 = 7,575.28/x
  3. Step 3: Cross multiply
    23,161.28x = 34,734.20 × 7,575.28
  4. Step 4: Simplify right side
    23,161.28x = 263,121,290.58
  5. Step 5: Solve for x
    x = 263,121,290.58/23,161.28
  6. Step 6: Final answer
    x = 11,360.40

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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.