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Finding the Fourth Proportional to 32,043.87, 48,065.81 and 20,959.88

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Solution

The fourth proportional to 32,043.87, 48,065.81 and 20,959.88 is: 31,439.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,043.87 : 48,065.81 = 20,959.88 : x
  2. Step 2: Convert to fraction form
    32,043.87/48,065.81 = 20,959.88/x
  3. Step 3: Cross multiply
    32,043.87x = 48,065.81 × 20,959.88
  4. Step 4: Simplify right side
    32,043.87x = 1,007,453,609.70
  5. Step 5: Solve for x
    x = 1,007,453,609.70/32,043.87
  6. Step 6: Final answer
    x = 31,439.82

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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.