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Finding the Fourth Proportional to 37,978.20, 56,967.66 and 24,913.44

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Solution

The fourth proportional to 37,978.20, 56,967.66 and 24,913.44 is: 37,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,978.20 : 56,967.66 = 24,913.44 : x
  2. Step 2: Convert to fraction form
    37,978.20/56,967.66 = 24,913.44/x
  3. Step 3: Cross multiply
    37,978.20x = 56,967.66 × 24,913.44
  4. Step 4: Simplify right side
    37,978.20x = 1,419,260,379.35
  5. Step 5: Solve for x
    x = 1,419,260,379.35/37,978.20
  6. Step 6: Final answer
    x = 37,370.40

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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.