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Finding the Fourth Proportional to 45,818.72, 68,759.21 and 24,765.21

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Solution

The fourth proportional to 45,818.72, 68,759.21 and 24,765.21 is: 37,164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,818.72 : 68,759.21 = 24,765.21 : x
  2. Step 2: Convert to fraction form
    45,818.72/68,759.21 = 24,765.21/x
  3. Step 3: Cross multiply
    45,818.72x = 68,759.21 × 24,765.21
  4. Step 4: Simplify right side
    45,818.72x = 1,702,836,275.08
  5. Step 5: Solve for x
    x = 1,702,836,275.08/45,818.72
  6. Step 6: Final answer
    x = 37,164.64

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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.