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Finding the Fourth Proportional to 7,636.69, 11,454.13 and 4,349.53

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Solution

The fourth proportional to 7,636.69, 11,454.13 and 4,349.53 is: 6,523.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.69 : 11,454.13 = 4,349.53 : x
  2. Step 2: Convert to fraction form
    7,636.69/11,454.13 = 4,349.53/x
  3. Step 3: Cross multiply
    7,636.69x = 11,454.13 × 4,349.53
  4. Step 4: Simplify right side
    7,636.69x = 49,820,082.06
  5. Step 5: Solve for x
    x = 49,820,082.06/7,636.69
  6. Step 6: Final answer
    x = 6,523.78

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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.