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Finding the Fourth Proportional to 25,908.60, 38,862.90 and 22,836.60

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Solution

The fourth proportional to 25,908.60, 38,862.90 and 22,836.60 is: 34,254.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,908.60 : 38,862.90 = 22,836.60 : x
  2. Step 2: Convert to fraction form
    25,908.60/38,862.90 = 22,836.60/x
  3. Step 3: Cross multiply
    25,908.60x = 38,862.90 × 22,836.60
  4. Step 4: Simplify right side
    25,908.60x = 887,496,502.14
  5. Step 5: Solve for x
    x = 887,496,502.14/25,908.60
  6. Step 6: Final answer
    x = 34,254.90

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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.