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Finding the Fourth Proportional to 40,245.38, 55,536 and 22,339.52

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Solution

The fourth proportional to 40,245.38, 55,536 and 22,339.52 is: 30,827.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,245.38 : 55,536 = 22,339.52 : x
  2. Step 2: Convert to fraction form
    40,245.38/55,536 = 22,339.52/x
  3. Step 3: Cross multiply
    40,245.38x = 55,536 × 22,339.52
  4. Step 4: Simplify right side
    40,245.38x = 1,240,647,582.72
  5. Step 5: Solve for x
    x = 1,240,647,582.72/40,245.38
  6. Step 6: Final answer
    x = 30,827.08

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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.