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Finding the Fourth Proportional to 6,603.62, 9,113.29 and 3,619.37

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Solution

The fourth proportional to 6,603.62, 9,113.29 and 3,619.37 is: 4,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.62 : 9,113.29 = 3,619.37 : x
  2. Step 2: Convert to fraction form
    6,603.62/9,113.29 = 3,619.37/x
  3. Step 3: Cross multiply
    6,603.62x = 9,113.29 × 3,619.37
  4. Step 4: Simplify right side
    6,603.62x = 32,984,382.16
  5. Step 5: Solve for x
    x = 32,984,382.16/6,603.62
  6. Step 6: Final answer
    x = 4,994.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.