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Finding the Fourth Proportional to 37,319.52, 55,978.41 and 15,126.96

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Solution

The fourth proportional to 37,319.52, 55,978.41 and 15,126.96 is: 22,690.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,319.52 : 55,978.41 = 15,126.96 : x
  2. Step 2: Convert to fraction form
    37,319.52/55,978.41 = 15,126.96/x
  3. Step 3: Cross multiply
    37,319.52x = 55,978.41 × 15,126.96
  4. Step 4: Simplify right side
    37,319.52x = 846,783,168.93
  5. Step 5: Solve for x
    x = 846,783,168.93/37,319.52
  6. Step 6: Final answer
    x = 22,690.09

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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.