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Finding the Fourth Proportional to 26,876.70, 40,266.45 and 22,988.70

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Solution

The fourth proportional to 26,876.70, 40,266.45 and 22,988.70 is: 34,441.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,876.70 : 40,266.45 = 22,988.70 : x
  2. Step 2: Convert to fraction form
    26,876.70/40,266.45 = 22,988.70/x
  3. Step 3: Cross multiply
    26,876.70x = 40,266.45 × 22,988.70
  4. Step 4: Simplify right side
    26,876.70x = 925,673,339.12
  5. Step 5: Solve for x
    x = 925,673,339.12/26,876.70
  6. Step 6: Final answer
    x = 34,441.48

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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.