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Finding the Fourth Proportional to 9,202.01, 12,699.08 and 5,169.55

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Solution

The fourth proportional to 9,202.01, 12,699.08 and 5,169.55 is: 7,134.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,202.01 : 12,699.08 = 5,169.55 : x
  2. Step 2: Convert to fraction form
    9,202.01/12,699.08 = 5,169.55/x
  3. Step 3: Cross multiply
    9,202.01x = 12,699.08 × 5,169.55
  4. Step 4: Simplify right side
    9,202.01x = 65,648,529.01
  5. Step 5: Solve for x
    x = 65,648,529.01/9,202.01
  6. Step 6: Final answer
    x = 7,134.15

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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.