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Finding the Fourth Proportional to 40,344.56, 55,644 and 27,605.34

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Solution

The fourth proportional to 40,344.56, 55,644 and 27,605.34 is: 38,073.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,344.56 : 55,644 = 27,605.34 : x
  2. Step 2: Convert to fraction form
    40,344.56/55,644 = 27,605.34/x
  3. Step 3: Cross multiply
    40,344.56x = 55,644 × 27,605.34
  4. Step 4: Simplify right side
    40,344.56x = 1,536,071,538.96
  5. Step 5: Solve for x
    x = 1,536,071,538.96/40,344.56
  6. Step 6: Final answer
    x = 38,073.82

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1.5x scale

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.