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Finding the Fourth Proportional to 11,369.77, 17,065.32 and 6,995.77

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Solution

The fourth proportional to 11,369.77, 17,065.32 and 6,995.77 is: 10,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.77 : 17,065.32 = 6,995.77 : x
  2. Step 2: Convert to fraction form
    11,369.77/17,065.32 = 6,995.77/x
  3. Step 3: Cross multiply
    11,369.77x = 17,065.32 × 6,995.77
  4. Step 4: Simplify right side
    11,369.77x = 119,385,053.70
  5. Step 5: Solve for x
    x = 119,385,053.70/11,369.77
  6. Step 6: Final answer
    x = 10,500.22

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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.