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Finding the Fourth Proportional to 2,696.05, 4,044.08 and 964.33

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Solution

The fourth proportional to 2,696.05, 4,044.08 and 964.33 is: 1,446.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.05 : 4,044.08 = 964.33 : x
  2. Step 2: Convert to fraction form
    2,696.05/4,044.08 = 964.33/x
  3. Step 3: Cross multiply
    2,696.05x = 4,044.08 × 964.33
  4. Step 4: Simplify right side
    2,696.05x = 3,899,827.67
  5. Step 5: Solve for x
    x = 3,899,827.67/2,696.05
  6. Step 6: Final answer
    x = 1,446.50

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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.