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Finding the Fourth Proportional to 6,603.81, 9,882.11 and 5,736.53

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Solution

The fourth proportional to 6,603.81, 9,882.11 and 5,736.53 is: 8,584.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.81 : 9,882.11 = 5,736.53 : x
  2. Step 2: Convert to fraction form
    6,603.81/9,882.11 = 5,736.53/x
  3. Step 3: Cross multiply
    6,603.81x = 9,882.11 × 5,736.53
  4. Step 4: Simplify right side
    6,603.81x = 56,688,942.39
  5. Step 5: Solve for x
    x = 56,688,942.39/6,603.81
  6. Step 6: Final answer
    x = 8,584.28

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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.