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Finding the Fourth Proportional to 6,618.81, 9,932.17 and 2,671.99

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Solution

The fourth proportional to 6,618.81, 9,932.17 and 2,671.99 is: 4,009.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.81 : 9,932.17 = 2,671.99 : x
  2. Step 2: Convert to fraction form
    6,618.81/9,932.17 = 2,671.99/x
  3. Step 3: Cross multiply
    6,618.81x = 9,932.17 × 2,671.99
  4. Step 4: Simplify right side
    6,618.81x = 26,538,632.42
  5. Step 5: Solve for x
    x = 26,538,632.42/6,618.81
  6. Step 6: Final answer
    x = 4,009.58

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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.