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Finding the Fourth Proportional to 3,651.53, 5,439.10 and 3,603.08

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Solution

The fourth proportional to 3,651.53, 5,439.10 and 3,603.08 is: 5,366.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.53 : 5,439.10 = 3,603.08 : x
  2. Step 2: Convert to fraction form
    3,651.53/5,439.10 = 3,603.08/x
  3. Step 3: Cross multiply
    3,651.53x = 5,439.10 × 3,603.08
  4. Step 4: Simplify right side
    3,651.53x = 19,597,523.77
  5. Step 5: Solve for x
    x = 19,597,523.77/3,651.53
  6. Step 6: Final answer
    x = 5,366.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.