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Finding the Fourth Proportional to 40,392.24, 55,742.24 and 22,488.45

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Solution

The fourth proportional to 40,392.24, 55,742.24 and 22,488.45 is: 31,034.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,392.24 : 55,742.24 = 22,488.45 : x
  2. Step 2: Convert to fraction form
    40,392.24/55,742.24 = 22,488.45/x
  3. Step 3: Cross multiply
    40,392.24x = 55,742.24 × 22,488.45
  4. Step 4: Simplify right side
    40,392.24x = 1,253,556,577.13
  5. Step 5: Solve for x
    x = 1,253,556,577.13/40,392.24
  6. Step 6: Final answer
    x = 31,034.59

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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.