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Finding the Fourth Proportional to 26,895.80, 40,343.70 and 26,377.40

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Solution

The fourth proportional to 26,895.80, 40,343.70 and 26,377.40 is: 39,566.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,895.80 : 40,343.70 = 26,377.40 : x
  2. Step 2: Convert to fraction form
    26,895.80/40,343.70 = 26,377.40/x
  3. Step 3: Cross multiply
    26,895.80x = 40,343.70 × 26,377.40
  4. Step 4: Simplify right side
    26,895.80x = 1,064,161,912.38
  5. Step 5: Solve for x
    x = 1,064,161,912.38/26,895.80
  6. Step 6: Final answer
    x = 39,566.10

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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.