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Finding the Fourth Proportional to 40,872.60, 56,424.60 and 26,747.01

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Solution

The fourth proportional to 40,872.60, 56,424.60 and 26,747.01 is: 36,924.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,872.60 : 56,424.60 = 26,747.01 : x
  2. Step 2: Convert to fraction form
    40,872.60/56,424.60 = 26,747.01/x
  3. Step 3: Cross multiply
    40,872.60x = 56,424.60 × 26,747.01
  4. Step 4: Simplify right side
    40,872.60x = 1,509,189,340.45
  5. Step 5: Solve for x
    x = 1,509,189,340.45/40,872.60
  6. Step 6: Final answer
    x = 36,924.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.