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Finding the Fourth Proportional to 11,588.70, 17,383.05 and 9,401.70

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Solution

The fourth proportional to 11,588.70, 17,383.05 and 9,401.70 is: 14,102.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,588.70 : 17,383.05 = 9,401.70 : x
  2. Step 2: Convert to fraction form
    11,588.70/17,383.05 = 9,401.70/x
  3. Step 3: Cross multiply
    11,588.70x = 17,383.05 × 9,401.70
  4. Step 4: Simplify right side
    11,588.70x = 163,430,221.19
  5. Step 5: Solve for x
    x = 163,430,221.19/11,588.70
  6. Step 6: Final answer
    x = 14,102.55

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Similar ratio
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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.