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Finding the Fourth Proportional to 56,689.40, 78,234.61 and 32,494.39

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Solution

The fourth proportional to 56,689.40, 78,234.61 and 32,494.39 is: 44,844.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,689.40 : 78,234.61 = 32,494.39 : x
  2. Step 2: Convert to fraction form
    56,689.40/78,234.61 = 32,494.39/x
  3. Step 3: Cross multiply
    56,689.40x = 78,234.61 × 32,494.39
  4. Step 4: Simplify right side
    56,689.40x = 2,542,185,979.64
  5. Step 5: Solve for x
    x = 2,542,185,979.64/56,689.40
  6. Step 6: Final answer
    x = 44,844.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.