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Finding the Fourth Proportional to 6,803.82, 10,154.03 and 6,628.86

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Solution

The fourth proportional to 6,803.82, 10,154.03 and 6,628.86 is: 9,892.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,803.82 : 10,154.03 = 6,628.86 : x
  2. Step 2: Convert to fraction form
    6,803.82/10,154.03 = 6,628.86/x
  3. Step 3: Cross multiply
    6,803.82x = 10,154.03 × 6,628.86
  4. Step 4: Simplify right side
    6,803.82x = 67,309,610.16
  5. Step 5: Solve for x
    x = 67,309,610.16/6,803.82
  6. Step 6: Final answer
    x = 9,892.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.