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Finding the Fourth Proportional to 12,366.94, 17,089 and 9,003.91

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Solution

The fourth proportional to 12,366.94, 17,089 and 9,003.91 is: 12,441.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.94 : 17,089 = 9,003.91 : x
  2. Step 2: Convert to fraction form
    12,366.94/17,089 = 9,003.91/x
  3. Step 3: Cross multiply
    12,366.94x = 17,089 × 9,003.91
  4. Step 4: Simplify right side
    12,366.94x = 153,867,817.99
  5. Step 5: Solve for x
    x = 153,867,817.99/12,366.94
  6. Step 6: Final answer
    x = 12,441.87

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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.