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Finding the Fourth Proportional to 11,368.72, 17,049 and 4,350.70

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Solution

The fourth proportional to 11,368.72, 17,049 and 4,350.70 is: 6,524.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,368.72 : 17,049 = 4,350.70 : x
  2. Step 2: Convert to fraction form
    11,368.72/17,049 = 4,350.70/x
  3. Step 3: Cross multiply
    11,368.72x = 17,049 × 4,350.70
  4. Step 4: Simplify right side
    11,368.72x = 74,175,084.30
  5. Step 5: Solve for x
    x = 74,175,084.30/11,368.72
  6. Step 6: Final answer
    x = 6,524.49

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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.