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Finding the Fourth Proportional to 6,591.96, 9,887.94 and 1,661.99

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Solution

The fourth proportional to 6,591.96, 9,887.94 and 1,661.99 is: 2,492.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,591.96 : 9,887.94 = 1,661.99 : x
  2. Step 2: Convert to fraction form
    6,591.96/9,887.94 = 1,661.99/x
  3. Step 3: Cross multiply
    6,591.96x = 9,887.94 × 1,661.99
  4. Step 4: Simplify right side
    6,591.96x = 16,433,607.96
  5. Step 5: Solve for x
    x = 16,433,607.96/6,591.96
  6. Step 6: Final answer
    x = 2,492.98

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Similar ratio
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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.