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Finding the Fourth Proportional to 37,841.92, 56,743.42 and 20,326.48

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Solution

The fourth proportional to 37,841.92, 56,743.42 and 20,326.48 is: 30,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,841.92 : 56,743.42 = 20,326.48 : x
  2. Step 2: Convert to fraction form
    37,841.92/56,743.42 = 20,326.48/x
  3. Step 3: Cross multiply
    37,841.92x = 56,743.42 × 20,326.48
  4. Step 4: Simplify right side
    37,841.92x = 1,153,393,991.76
  5. Step 5: Solve for x
    x = 1,153,393,991.76/37,841.92
  6. Step 6: Final answer
    x = 30,479.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.