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Finding the Fourth Proportional to 40,392.17, 55,741.17 and 22,491.41

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Solution

The fourth proportional to 40,392.17, 55,741.17 and 22,491.41 is: 31,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,392.17 : 55,741.17 = 22,491.41 : x
  2. Step 2: Convert to fraction form
    40,392.17/55,741.17 = 22,491.41/x
  3. Step 3: Cross multiply
    40,392.17x = 55,741.17 × 22,491.41
  4. Step 4: Simplify right side
    40,392.17x = 1,253,697,229.64
  5. Step 5: Solve for x
    x = 1,253,697,229.64/40,392.17
  6. Step 6: Final answer
    x = 31,038.13

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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.