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Finding the Fourth Proportional to 6,616.15, 9,130.01 and 3,962.01

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Solution

The fourth proportional to 6,616.15, 9,130.01 and 3,962.01 is: 5,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.15 : 9,130.01 = 3,962.01 : x
  2. Step 2: Convert to fraction form
    6,616.15/9,130.01 = 3,962.01/x
  3. Step 3: Cross multiply
    6,616.15x = 9,130.01 × 3,962.01
  4. Step 4: Simplify right side
    6,616.15x = 36,173,190.92
  5. Step 5: Solve for x
    x = 36,173,190.92/6,616.15
  6. Step 6: Final answer
    x = 5,467.41

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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.