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Finding the Fourth Proportional to 40,551.98, 55,930.30 and 27,118.94

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Solution

The fourth proportional to 40,551.98, 55,930.30 and 27,118.94 is: 37,403.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,551.98 : 55,930.30 = 27,118.94 : x
  2. Step 2: Convert to fraction form
    40,551.98/55,930.30 = 27,118.94/x
  3. Step 3: Cross multiply
    40,551.98x = 55,930.30 × 27,118.94
  4. Step 4: Simplify right side
    40,551.98x = 1,516,770,102.43
  5. Step 5: Solve for x
    x = 1,516,770,102.43/40,551.98
  6. Step 6: Final answer
    x = 37,403.11

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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.