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Finding the Fourth Proportional to 11,356.69, 17,035.19 and 3,565.50

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Solution

The fourth proportional to 11,356.69, 17,035.19 and 3,565.50 is: 5,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356.69 : 17,035.19 = 3,565.50 : x
  2. Step 2: Convert to fraction form
    11,356.69/17,035.19 = 3,565.50/x
  3. Step 3: Cross multiply
    11,356.69x = 17,035.19 × 3,565.50
  4. Step 4: Simplify right side
    11,356.69x = 60,738,952.12
  5. Step 5: Solve for x
    x = 60,738,952.12/11,356.69
  6. Step 6: Final answer
    x = 5,348.30

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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.