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Finding the Fourth Proportional to 37,163.61, 55,770.80 and 14,978.72

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Solution

The fourth proportional to 37,163.61, 55,770.80 and 14,978.72 is: 22,478.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,163.61 : 55,770.80 = 14,978.72 : x
  2. Step 2: Convert to fraction form
    37,163.61/55,770.80 = 14,978.72/x
  3. Step 3: Cross multiply
    37,163.61x = 55,770.80 × 14,978.72
  4. Step 4: Simplify right side
    37,163.61x = 835,375,261.91
  5. Step 5: Solve for x
    x = 835,375,261.91/37,163.61
  6. Step 6: Final answer
    x = 22,478.31

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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.