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Finding the Fourth Proportional to 7,358.76, 11,027.39 and 3,411.23

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Solution

The fourth proportional to 7,358.76, 11,027.39 and 3,411.23 is: 5,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.76 : 11,027.39 = 3,411.23 : x
  2. Step 2: Convert to fraction form
    7,358.76/11,027.39 = 3,411.23/x
  3. Step 3: Cross multiply
    7,358.76x = 11,027.39 × 3,411.23
  4. Step 4: Simplify right side
    7,358.76x = 37,616,891.40
  5. Step 5: Solve for x
    x = 37,616,891.40/7,358.76
  6. Step 6: Final answer
    x = 5,111.85

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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.