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Finding the Fourth Proportional to 6,603.70, 9,891.15 and 5,874.10

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Solution

The fourth proportional to 6,603.70, 9,891.15 and 5,874.10 is: 8,798.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.70 : 9,891.15 = 5,874.10 : x
  2. Step 2: Convert to fraction form
    6,603.70/9,891.15 = 5,874.10/x
  3. Step 3: Cross multiply
    6,603.70x = 9,891.15 × 5,874.10
  4. Step 4: Simplify right side
    6,603.70x = 58,101,604.22
  5. Step 5: Solve for x
    x = 58,101,604.22/6,603.70
  6. Step 6: Final answer
    x = 8,798.34

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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.