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Finding the Fourth Proportional to 25,801.76, 38,769.06 and 25,079.24

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Solution

The fourth proportional to 25,801.76, 38,769.06 and 25,079.24 is: 37,683.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,801.76 : 38,769.06 = 25,079.24 : x
  2. Step 2: Convert to fraction form
    25,801.76/38,769.06 = 25,079.24/x
  3. Step 3: Cross multiply
    25,801.76x = 38,769.06 × 25,079.24
  4. Step 4: Simplify right side
    25,801.76x = 972,298,560.31
  5. Step 5: Solve for x
    x = 972,298,560.31/25,801.76
  6. Step 6: Final answer
    x = 37,683.42

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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.