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Finding the Fourth Proportional to 6,591.17, 9,886.01 and 1,660.81

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Solution

The fourth proportional to 6,591.17, 9,886.01 and 1,660.81 is: 2,491.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,591.17 : 9,886.01 = 1,660.81 : x
  2. Step 2: Convert to fraction form
    6,591.17/9,886.01 = 1,660.81/x
  3. Step 3: Cross multiply
    6,591.17x = 9,886.01 × 1,660.81
  4. Step 4: Simplify right side
    6,591.17x = 16,418,784.27
  5. Step 5: Solve for x
    x = 16,418,784.27/6,591.17
  6. Step 6: Final answer
    x = 2,491.03

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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.