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Finding the Fourth Proportional to 6,697.81, 9,244.07 and 6,402.52

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Solution

The fourth proportional to 6,697.81, 9,244.07 and 6,402.52 is: 8,836.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,697.81 : 9,244.07 = 6,402.52 : x
  2. Step 2: Convert to fraction form
    6,697.81/9,244.07 = 6,402.52/x
  3. Step 3: Cross multiply
    6,697.81x = 9,244.07 × 6,402.52
  4. Step 4: Simplify right side
    6,697.81x = 59,185,311.04
  5. Step 5: Solve for x
    x = 59,185,311.04/6,697.81
  6. Step 6: Final answer
    x = 8,836.52

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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.