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Finding the Fourth Proportional to 6,603.08, 9,911.10 and 4,963.64

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Solution

The fourth proportional to 6,603.08, 9,911.10 and 4,963.64 is: 7,450.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.08 : 9,911.10 = 4,963.64 : x
  2. Step 2: Convert to fraction form
    6,603.08/9,911.10 = 4,963.64/x
  3. Step 3: Cross multiply
    6,603.08x = 9,911.10 × 4,963.64
  4. Step 4: Simplify right side
    6,603.08x = 49,195,132.40
  5. Step 5: Solve for x
    x = 49,195,132.40/6,603.08
  6. Step 6: Final answer
    x = 7,450.33

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1.5x scale

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.