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Finding the Fourth Proportional to 6,697.22, 9,242.10 and 3,864.38

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Solution

The fourth proportional to 6,697.22, 9,242.10 and 3,864.38 is: 5,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,697.22 : 9,242.10 = 3,864.38 : x
  2. Step 2: Convert to fraction form
    6,697.22/9,242.10 = 3,864.38/x
  3. Step 3: Cross multiply
    6,697.22x = 9,242.10 × 3,864.38
  4. Step 4: Simplify right side
    6,697.22x = 35,714,940.19
  5. Step 5: Solve for x
    x = 35,714,940.19/6,697.22
  6. Step 6: Final answer
    x = 5,332.80

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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.