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Finding the Fourth Proportional to 6,602.02, 9,896.83 and 2,216.40

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Solution

The fourth proportional to 6,602.02, 9,896.83 and 2,216.40 is: 3,322.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.02 : 9,896.83 = 2,216.40 : x
  2. Step 2: Convert to fraction form
    6,602.02/9,896.83 = 2,216.40/x
  3. Step 3: Cross multiply
    6,602.02x = 9,896.83 × 2,216.40
  4. Step 4: Simplify right side
    6,602.02x = 21,935,387.33
  5. Step 5: Solve for x
    x = 21,935,387.33/6,602.02
  6. Step 6: Final answer
    x = 3,322.53

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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.