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Finding the Fourth Proportional to 6,630.57, 9,934.16 and 3,503.69

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Solution

The fourth proportional to 6,630.57, 9,934.16 and 3,503.69 is: 5,249.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.57 : 9,934.16 = 3,503.69 : x
  2. Step 2: Convert to fraction form
    6,630.57/9,934.16 = 3,503.69/x
  3. Step 3: Cross multiply
    6,630.57x = 9,934.16 × 3,503.69
  4. Step 4: Simplify right side
    6,630.57x = 34,806,176.14
  5. Step 5: Solve for x
    x = 34,806,176.14/6,630.57
  6. Step 6: Final answer
    x = 5,249.35

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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.