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Finding the Fourth Proportional to 40,440, 55,806.44 and 22,534.62

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Solution

The fourth proportional to 40,440, 55,806.44 and 22,534.62 is: 31,097.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,440 : 55,806.44 = 22,534.62 : x
  2. Step 2: Convert to fraction form
    40,440/55,806.44 = 22,534.62/x
  3. Step 3: Cross multiply
    40,440x = 55,806.44 × 22,534.62
  4. Step 4: Simplify right side
    40,440x = 1,257,576,918.95
  5. Step 5: Solve for x
    x = 1,257,576,918.95/40,440
  6. Step 6: Final answer
    x = 31,097.35

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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.