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Finding the Fourth Proportional to 26,298.40, 39,404.40 and 22,410.40

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Solution

The fourth proportional to 26,298.40, 39,404.40 and 22,410.40 is: 33,578.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,298.40 : 39,404.40 = 22,410.40 : x
  2. Step 2: Convert to fraction form
    26,298.40/39,404.40 = 22,410.40/x
  3. Step 3: Cross multiply
    26,298.40x = 39,404.40 × 22,410.40
  4. Step 4: Simplify right side
    26,298.40x = 883,068,365.76
  5. Step 5: Solve for x
    x = 883,068,365.76/26,298.40
  6. Step 6: Final answer
    x = 33,578.79

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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.