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Finding the Fourth Proportional to 3,531.04, 5,296.60 and 1,065.87

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Solution

The fourth proportional to 3,531.04, 5,296.60 and 1,065.87 is: 1,598.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.04 : 5,296.60 = 1,065.87 : x
  2. Step 2: Convert to fraction form
    3,531.04/5,296.60 = 1,065.87/x
  3. Step 3: Cross multiply
    3,531.04x = 5,296.60 × 1,065.87
  4. Step 4: Simplify right side
    3,531.04x = 5,645,494.95
  5. Step 5: Solve for x
    x = 5,645,494.95/3,531.04
  6. Step 6: Final answer
    x = 1,598.82

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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.