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Finding the Fourth Proportional to 7,333.65, 11,003.72 and 2,959.65

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Solution

The fourth proportional to 7,333.65, 11,003.72 and 2,959.65 is: 4,440.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.65 : 11,003.72 = 2,959.65 : x
  2. Step 2: Convert to fraction form
    7,333.65/11,003.72 = 2,959.65/x
  3. Step 3: Cross multiply
    7,333.65x = 11,003.72 × 2,959.65
  4. Step 4: Simplify right side
    7,333.65x = 32,567,145.10
  5. Step 5: Solve for x
    x = 32,567,145.10/7,333.65
  6. Step 6: Final answer
    x = 4,440.78

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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.