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Finding the Fourth Proportional to 12,535.32, 18,809.18 and 5,959.80

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Solution

The fourth proportional to 12,535.32, 18,809.18 and 5,959.80 is: 8,942.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.32 : 18,809.18 = 5,959.80 : x
  2. Step 2: Convert to fraction form
    12,535.32/18,809.18 = 5,959.80/x
  3. Step 3: Cross multiply
    12,535.32x = 18,809.18 × 5,959.80
  4. Step 4: Simplify right side
    12,535.32x = 112,098,950.96
  5. Step 5: Solve for x
    x = 112,098,950.96/12,535.32
  6. Step 6: Final answer
    x = 8,942.65

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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.