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Finding the Fourth Proportional to 9,441.11, 13,027.64 and 7,552.01

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Solution

The fourth proportional to 9,441.11, 13,027.64 and 7,552.01 is: 10,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,441.11 : 13,027.64 = 7,552.01 : x
  2. Step 2: Convert to fraction form
    9,441.11/13,027.64 = 7,552.01/x
  3. Step 3: Cross multiply
    9,441.11x = 13,027.64 × 7,552.01
  4. Step 4: Simplify right side
    9,441.11x = 98,384,867.56
  5. Step 5: Solve for x
    x = 98,384,867.56/9,441.11
  6. Step 6: Final answer
    x = 10,420.90

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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.