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Finding the Fourth Proportional to 6,697.89, 9,223.59 and 6,270.01

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Solution

The fourth proportional to 6,697.89, 9,223.59 and 6,270.01 is: 8,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,697.89 : 9,223.59 = 6,270.01 : x
  2. Step 2: Convert to fraction form
    6,697.89/9,223.59 = 6,270.01/x
  3. Step 3: Cross multiply
    6,697.89x = 9,223.59 × 6,270.01
  4. Step 4: Simplify right side
    6,697.89x = 57,832,001.54
  5. Step 5: Solve for x
    x = 57,832,001.54/6,697.89
  6. Step 6: Final answer
    x = 8,634.37

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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.