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Finding the Fourth Proportional to 26,953,571.20, 40,430,356.80 and 26,244,983.20

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Solution

The fourth proportional to 26,953,571.20, 40,430,356.80 and 26,244,983.20 is: 39,367,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,953,571.20 : 40,430,356.80 = 26,244,983.20 : x
  2. Step 2: Convert to fraction form
    26,953,571.20/40,430,356.80 = 26,244,983.20/x
  3. Step 3: Cross multiply
    26,953,571.20x = 40,430,356.80 × 26,244,983.20
  4. Step 4: Simplify right side
    26,953,571.20x = 1,061,094,034,986,005.62
  5. Step 5: Solve for x
    x = 1,061,094,034,986,005.62/26,953,571.20
  6. Step 6: Final answer
    x = 39,367,474.80

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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.