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Finding the Fourth Proportional to 32,770.31, 49,155.65 and 8,146.31

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Solution

The fourth proportional to 32,770.31, 49,155.65 and 8,146.31 is: 12,219.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,770.31 : 49,155.65 = 8,146.31 : x
  2. Step 2: Convert to fraction form
    32,770.31/49,155.65 = 8,146.31/x
  3. Step 3: Cross multiply
    32,770.31x = 49,155.65 × 8,146.31
  4. Step 4: Simplify right side
    32,770.31x = 400,437,163.15
  5. Step 5: Solve for x
    x = 400,437,163.15/32,770.31
  6. Step 6: Final answer
    x = 12,219.51

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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.