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Finding the Fourth Proportional to 26,346.40, 39,476.40 and 22,458.40

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Solution

The fourth proportional to 26,346.40, 39,476.40 and 22,458.40 is: 33,650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,346.40 : 39,476.40 = 22,458.40 : x
  2. Step 2: Convert to fraction form
    26,346.40/39,476.40 = 22,458.40/x
  3. Step 3: Cross multiply
    26,346.40x = 39,476.40 × 22,458.40
  4. Step 4: Simplify right side
    26,346.40x = 886,576,781.76
  5. Step 5: Solve for x
    x = 886,576,781.76/26,346.40
  6. Step 6: Final answer
    x = 33,650.78

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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.