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Finding the Fourth Proportional to 7,358.99, 11,042.82 and 2,917.08

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Solution

The fourth proportional to 7,358.99, 11,042.82 and 2,917.08 is: 4,377.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.99 : 11,042.82 = 2,917.08 : x
  2. Step 2: Convert to fraction form
    7,358.99/11,042.82 = 2,917.08/x
  3. Step 3: Cross multiply
    7,358.99x = 11,042.82 × 2,917.08
  4. Step 4: Simplify right side
    7,358.99x = 32,212,789.37
  5. Step 5: Solve for x
    x = 32,212,789.37/7,358.99
  6. Step 6: Final answer
    x = 4,377.34

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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.