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Finding the Fourth Proportional to 8,826.70, 13,240.06 and 5,542.11

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Solution

The fourth proportional to 8,826.70, 13,240.06 and 5,542.11 is: 8,313.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.70 : 13,240.06 = 5,542.11 : x
  2. Step 2: Convert to fraction form
    8,826.70/13,240.06 = 5,542.11/x
  3. Step 3: Cross multiply
    8,826.70x = 13,240.06 × 5,542.11
  4. Step 4: Simplify right side
    8,826.70x = 73,377,868.93
  5. Step 5: Solve for x
    x = 73,377,868.93/8,826.70
  6. Step 6: Final answer
    x = 8,313.17

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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.