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Finding the Fourth Proportional to 26,310.40, 39,494.40 and 16,460.80

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Solution

The fourth proportional to 26,310.40, 39,494.40 and 16,460.80 is: 24,709.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,310.40 : 39,494.40 = 16,460.80 : x
  2. Step 2: Convert to fraction form
    26,310.40/39,494.40 = 16,460.80/x
  3. Step 3: Cross multiply
    26,310.40x = 39,494.40 × 16,460.80
  4. Step 4: Simplify right side
    26,310.40x = 650,109,419.52
  5. Step 5: Solve for x
    x = 650,109,419.52/26,310.40
  6. Step 6: Final answer
    x = 24,709.22

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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.