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Finding the Fourth Proportional to 5,576.71, 7,696.51 and 3,338.59

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Solution

The fourth proportional to 5,576.71, 7,696.51 and 3,338.59 is: 4,607.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.71 : 7,696.51 = 3,338.59 : x
  2. Step 2: Convert to fraction form
    5,576.71/7,696.51 = 3,338.59/x
  3. Step 3: Cross multiply
    5,576.71x = 7,696.51 × 3,338.59
  4. Step 4: Simplify right side
    5,576.71x = 25,695,450.26
  5. Step 5: Solve for x
    x = 25,695,450.26/5,576.71
  6. Step 6: Final answer
    x = 4,607.63

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.