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Finding the Fourth Proportional to 32,112.46, 48,167.79 and 8,739.10

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Solution

The fourth proportional to 32,112.46, 48,167.79 and 8,739.10 is: 13,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,112.46 : 48,167.79 = 8,739.10 : x
  2. Step 2: Convert to fraction form
    32,112.46/48,167.79 = 8,739.10/x
  3. Step 3: Cross multiply
    32,112.46x = 48,167.79 × 8,739.10
  4. Step 4: Simplify right side
    32,112.46x = 420,943,133.59
  5. Step 5: Solve for x
    x = 420,943,133.59/32,112.46
  6. Step 6: Final answer
    x = 13,108.41

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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.