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Finding the Fourth Proportional to 11,346.70, 17,020.05 and 6,892.30

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Solution

The fourth proportional to 11,346.70, 17,020.05 and 6,892.30 is: 10,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.70 : 17,020.05 = 6,892.30 : x
  2. Step 2: Convert to fraction form
    11,346.70/17,020.05 = 6,892.30/x
  3. Step 3: Cross multiply
    11,346.70x = 17,020.05 × 6,892.30
  4. Step 4: Simplify right side
    11,346.70x = 117,307,290.62
  5. Step 5: Solve for x
    x = 117,307,290.62/11,346.70
  6. Step 6: Final answer
    x = 10,338.45

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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.