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Finding the Fourth Proportional to 63,234.80, 87,304.71 and 40,583.55

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Solution

The fourth proportional to 63,234.80, 87,304.71 and 40,583.55 is: 56,031.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,234.80 : 87,304.71 = 40,583.55 : x
  2. Step 2: Convert to fraction form
    63,234.80/87,304.71 = 40,583.55/x
  3. Step 3: Cross multiply
    63,234.80x = 87,304.71 × 40,583.55
  4. Step 4: Simplify right side
    63,234.80x = 3,543,135,063.52
  5. Step 5: Solve for x
    x = 3,543,135,063.52/63,234.80
  6. Step 6: Final answer
    x = 56,031.41

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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.