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Finding the Fourth Proportional to 11,398.19, 17,041.07 and 9,662.55

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Solution

The fourth proportional to 11,398.19, 17,041.07 and 9,662.55 is: 14,446.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,398.19 : 17,041.07 = 9,662.55 : x
  2. Step 2: Convert to fraction form
    11,398.19/17,041.07 = 9,662.55/x
  3. Step 3: Cross multiply
    11,398.19x = 17,041.07 × 9,662.55
  4. Step 4: Simplify right side
    11,398.19x = 164,660,142.62
  5. Step 5: Solve for x
    x = 164,660,142.62/11,398.19
  6. Step 6: Final answer
    x = 14,446.17

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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.