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Finding the Fourth Proportional to 25,255, 34,866.85 and 22,452.76

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Solution

The fourth proportional to 25,255, 34,866.85 and 22,452.76 is: 30,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,255 : 34,866.85 = 22,452.76 : x
  2. Step 2: Convert to fraction form
    25,255/34,866.85 = 22,452.76/x
  3. Step 3: Cross multiply
    25,255x = 34,866.85 × 22,452.76
  4. Step 4: Simplify right side
    25,255x = 782,857,015.01
  5. Step 5: Solve for x
    x = 782,857,015.01/25,255
  6. Step 6: Final answer
    x = 30,998.10

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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.