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Finding the Fourth Proportional to 6,661.06, 9,183.71 and 5,461.65

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Solution

The fourth proportional to 6,661.06, 9,183.71 and 5,461.65 is: 7,530.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.06 : 9,183.71 = 5,461.65 : x
  2. Step 2: Convert to fraction form
    6,661.06/9,183.71 = 5,461.65/x
  3. Step 3: Cross multiply
    6,661.06x = 9,183.71 × 5,461.65
  4. Step 4: Simplify right side
    6,661.06x = 50,158,223.38
  5. Step 5: Solve for x
    x = 50,158,223.38/6,661.06
  6. Step 6: Final answer
    x = 7,530.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.