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Finding the Fourth Proportional to 26,881,211.10, 40,321,816.65 and 26,881,211.10

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Solution

The fourth proportional to 26,881,211.10, 40,321,816.65 and 26,881,211.10 is: 40,321,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,881,211.10 : 40,321,816.65 = 26,881,211.10 : x
  2. Step 2: Convert to fraction form
    26,881,211.10/40,321,816.65 = 26,881,211.10/x
  3. Step 3: Cross multiply
    26,881,211.10x = 40,321,816.65 × 26,881,211.10
  4. Step 4: Simplify right side
    26,881,211.10x = 1,083,899,265,304,144.88
  5. Step 5: Solve for x
    x = 1,083,899,265,304,144.88/26,881,211.10
  6. Step 6: Final answer
    x = 40,321,816.65

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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.