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Finding the Fourth Proportional to 40,494.60, 55,882.64 and 22,590.77

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Solution

The fourth proportional to 40,494.60, 55,882.64 and 22,590.77 is: 31,175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,494.60 : 55,882.64 = 22,590.77 : x
  2. Step 2: Convert to fraction form
    40,494.60/55,882.64 = 22,590.77/x
  3. Step 3: Cross multiply
    40,494.60x = 55,882.64 × 22,590.77
  4. Step 4: Simplify right side
    40,494.60x = 1,262,431,644.30
  5. Step 5: Solve for x
    x = 1,262,431,644.30/40,494.60
  6. Step 6: Final answer
    x = 31,175.31

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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.