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Finding the Fourth Proportional to 5,318.44, 8,003.02 and 4,388.16

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Solution

The fourth proportional to 5,318.44, 8,003.02 and 4,388.16 is: 6,603.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.44 : 8,003.02 = 4,388.16 : x
  2. Step 2: Convert to fraction form
    5,318.44/8,003.02 = 4,388.16/x
  3. Step 3: Cross multiply
    5,318.44x = 8,003.02 × 4,388.16
  4. Step 4: Simplify right side
    5,318.44x = 35,118,532.24
  5. Step 5: Solve for x
    x = 35,118,532.24/5,318.44
  6. Step 6: Final answer
    x = 6,603.16

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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.