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Finding the Fourth Proportional to 3,530.58, 5,296.04 and 898.11

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Solution

The fourth proportional to 3,530.58, 5,296.04 and 898.11 is: 1,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.58 : 5,296.04 = 898.11 : x
  2. Step 2: Convert to fraction form
    3,530.58/5,296.04 = 898.11/x
  3. Step 3: Cross multiply
    3,530.58x = 5,296.04 × 898.11
  4. Step 4: Simplify right side
    3,530.58x = 4,756,426.48
  5. Step 5: Solve for x
    x = 4,756,426.48/3,530.58
  6. Step 6: Final answer
    x = 1,347.21

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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.