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Finding the Fourth Proportional to 9,635.65, 14,429.86 and 7,959.52

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Solution

The fourth proportional to 9,635.65, 14,429.86 and 7,959.52 is: 11,919.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,635.65 : 14,429.86 = 7,959.52 : x
  2. Step 2: Convert to fraction form
    9,635.65/14,429.86 = 7,959.52/x
  3. Step 3: Cross multiply
    9,635.65x = 14,429.86 × 7,959.52
  4. Step 4: Simplify right side
    9,635.65x = 114,854,759.27
  5. Step 5: Solve for x
    x = 114,854,759.27/9,635.65
  6. Step 6: Final answer
    x = 11,919.77

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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.