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Finding the Fourth Proportional to 7,335.65, 11,006.72 and 2,961.65

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Solution

The fourth proportional to 7,335.65, 11,006.72 and 2,961.65 is: 4,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.65 : 11,006.72 = 2,961.65 : x
  2. Step 2: Convert to fraction form
    7,335.65/11,006.72 = 2,961.65/x
  3. Step 3: Cross multiply
    7,335.65x = 11,006.72 × 2,961.65
  4. Step 4: Simplify right side
    7,335.65x = 32,598,037.48
  5. Step 5: Solve for x
    x = 32,598,037.48/7,335.65
  6. Step 6: Final answer
    x = 4,443.78

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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.