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Finding the Fourth Proportional to 11,374.40, 17,032.44 and 7,914.08

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Solution

The fourth proportional to 11,374.40, 17,032.44 and 7,914.08 is: 11,850.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,374.40 : 17,032.44 = 7,914.08 : x
  2. Step 2: Convert to fraction form
    11,374.40/17,032.44 = 7,914.08/x
  3. Step 3: Cross multiply
    11,374.40x = 17,032.44 × 7,914.08
  4. Step 4: Simplify right side
    11,374.40x = 134,796,092.76
  5. Step 5: Solve for x
    x = 134,796,092.76/11,374.40
  6. Step 6: Final answer
    x = 11,850.83

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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.