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Finding the Fourth Proportional to 7,107.33, 10,660.95 and 2,176.95

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Solution

The fourth proportional to 7,107.33, 10,660.95 and 2,176.95 is: 3,265.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.33 : 10,660.95 = 2,176.95 : x
  2. Step 2: Convert to fraction form
    7,107.33/10,660.95 = 2,176.95/x
  3. Step 3: Cross multiply
    7,107.33x = 10,660.95 × 2,176.95
  4. Step 4: Simplify right side
    7,107.33x = 23,208,355.10
  5. Step 5: Solve for x
    x = 23,208,355.10/7,107.33
  6. Step 6: Final answer
    x = 3,265.41

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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.