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Finding the Fourth Proportional to 5,577.82, 7,696.82 and 3,339.64

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Solution

The fourth proportional to 5,577.82, 7,696.82 and 3,339.64 is: 4,608.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.82 : 7,696.82 = 3,339.64 : x
  2. Step 2: Convert to fraction form
    5,577.82/7,696.82 = 3,339.64/x
  3. Step 3: Cross multiply
    5,577.82x = 7,696.82 × 3,339.64
  4. Step 4: Simplify right side
    5,577.82x = 25,704,597.05
  5. Step 5: Solve for x
    x = 25,704,597.05/5,577.82
  6. Step 6: Final answer
    x = 4,608.36

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Double 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.