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Finding the Fourth Proportional to 8,437.65, 12,649.27 and 5,964.69

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Solution

The fourth proportional to 8,437.65, 12,649.27 and 5,964.69 is: 8,941.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.65 : 12,649.27 = 5,964.69 : x
  2. Step 2: Convert to fraction form
    8,437.65/12,649.27 = 5,964.69/x
  3. Step 3: Cross multiply
    8,437.65x = 12,649.27 × 5,964.69
  4. Step 4: Simplify right side
    8,437.65x = 75,448,974.28
  5. Step 5: Solve for x
    x = 75,448,974.28/8,437.65
  6. Step 6: Final answer
    x = 8,941.94

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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.