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Finding the Fourth Proportional to 56,167.61, 84,245.52 and 18,723.65

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Solution

The fourth proportional to 56,167.61, 84,245.52 and 18,723.65 is: 28,083.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,167.61 : 84,245.52 = 18,723.65 : x
  2. Step 2: Convert to fraction form
    56,167.61/84,245.52 = 18,723.65/x
  3. Step 3: Cross multiply
    56,167.61x = 84,245.52 × 18,723.65
  4. Step 4: Simplify right side
    56,167.61x = 1,577,383,630.55
  5. Step 5: Solve for x
    x = 1,577,383,630.55/56,167.61
  6. Step 6: Final answer
    x = 28,083.51

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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.