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Finding the Fourth Proportional to 3,671.37, 5,507.03 and 898.08

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Solution

The fourth proportional to 3,671.37, 5,507.03 and 898.08 is: 1,347.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.37 : 5,507.03 = 898.08 : x
  2. Step 2: Convert to fraction form
    3,671.37/5,507.03 = 898.08/x
  3. Step 3: Cross multiply
    3,671.37x = 5,507.03 × 898.08
  4. Step 4: Simplify right side
    3,671.37x = 4,945,763.55
  5. Step 5: Solve for x
    x = 4,945,763.55/3,671.37
  6. Step 6: Final answer
    x = 1,347.12

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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.