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Finding the Fourth Proportional to 26,010.40, 38,972.40 and 22,295.20

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Solution

The fourth proportional to 26,010.40, 38,972.40 and 22,295.20 is: 33,405.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,010.40 : 38,972.40 = 22,295.20 : x
  2. Step 2: Convert to fraction form
    26,010.40/38,972.40 = 22,295.20/x
  3. Step 3: Cross multiply
    26,010.40x = 38,972.40 × 22,295.20
  4. Step 4: Simplify right side
    26,010.40x = 868,897,452.48
  5. Step 5: Solve for x
    x = 868,897,452.48/26,010.40
  6. Step 6: Final answer
    x = 33,405.77

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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.