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Finding the Fourth Proportional to 9,006.11, 13,509.23 and 8,993.15

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Solution

The fourth proportional to 9,006.11, 13,509.23 and 8,993.15 is: 13,489.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,006.11 : 13,509.23 = 8,993.15 : x
  2. Step 2: Convert to fraction form
    9,006.11/13,509.23 = 8,993.15/x
  3. Step 3: Cross multiply
    9,006.11x = 13,509.23 × 8,993.15
  4. Step 4: Simplify right side
    9,006.11x = 121,490,419.26
  5. Step 5: Solve for x
    x = 121,490,419.26/9,006.11
  6. Step 6: Final answer
    x = 13,489.78

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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.