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Finding the Fourth Proportional to 45,062.64, 67,636.08 and 22,891.86

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Solution

The fourth proportional to 45,062.64, 67,636.08 and 22,891.86 is: 34,359.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,062.64 : 67,636.08 = 22,891.86 : x
  2. Step 2: Convert to fraction form
    45,062.64/67,636.08 = 22,891.86/x
  3. Step 3: Cross multiply
    45,062.64x = 67,636.08 × 22,891.86
  4. Step 4: Simplify right side
    45,062.64x = 1,548,315,674.31
  5. Step 5: Solve for x
    x = 1,548,315,674.31/45,062.64
  6. Step 6: Final answer
    x = 34,359.19

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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.