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Finding the Fourth Proportional to 26,865.98, 40,298.96 and 8,397.98

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Solution

The fourth proportional to 26,865.98, 40,298.96 and 8,397.98 is: 12,596.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,865.98 : 40,298.96 = 8,397.98 : x
  2. Step 2: Convert to fraction form
    26,865.98/40,298.96 = 8,397.98/x
  3. Step 3: Cross multiply
    26,865.98x = 40,298.96 × 8,397.98
  4. Step 4: Simplify right side
    26,865.98x = 338,429,860.10
  5. Step 5: Solve for x
    x = 338,429,860.10/26,865.98
  6. Step 6: Final answer
    x = 12,596.97

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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.