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Finding the Fourth Proportional to 4,935.32, 7,404.14 and 1,603.55

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Solution

The fourth proportional to 4,935.32, 7,404.14 and 1,603.55 is: 2,405.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.32 : 7,404.14 = 1,603.55 : x
  2. Step 2: Convert to fraction form
    4,935.32/7,404.14 = 1,603.55/x
  3. Step 3: Cross multiply
    4,935.32x = 7,404.14 × 1,603.55
  4. Step 4: Simplify right side
    4,935.32x = 11,872,919.19
  5. Step 5: Solve for x
    x = 11,872,919.19/4,935.32
  6. Step 6: Final answer
    x = 2,405.71

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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.