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Finding the Fourth Proportional to 3,573.95, 5,357.39 and 1,696.54

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Solution

The fourth proportional to 3,573.95, 5,357.39 and 1,696.54 is: 2,543.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.95 : 5,357.39 = 1,696.54 : x
  2. Step 2: Convert to fraction form
    3,573.95/5,357.39 = 1,696.54/x
  3. Step 3: Cross multiply
    3,573.95x = 5,357.39 × 1,696.54
  4. Step 4: Simplify right side
    3,573.95x = 9,089,026.43
  5. Step 5: Solve for x
    x = 9,089,026.43/3,573.95
  6. Step 6: Final answer
    x = 2,543.13

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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.