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Finding the Fourth Proportional to 6,601.93, 9,897.43 and 3,090.22

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Solution

The fourth proportional to 6,601.93, 9,897.43 and 3,090.22 is: 4,632.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.93 : 9,897.43 = 3,090.22 : x
  2. Step 2: Convert to fraction form
    6,601.93/9,897.43 = 3,090.22/x
  3. Step 3: Cross multiply
    6,601.93x = 9,897.43 × 3,090.22
  4. Step 4: Simplify right side
    6,601.93x = 30,585,236.13
  5. Step 5: Solve for x
    x = 30,585,236.13/6,601.93
  6. Step 6: Final answer
    x = 4,632.77

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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.