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Finding the Fourth Proportional to 7,337.36, 10,993.08 and 7,155.92

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Solution

The fourth proportional to 7,337.36, 10,993.08 and 7,155.92 is: 10,721.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.36 : 10,993.08 = 7,155.92 : x
  2. Step 2: Convert to fraction form
    7,337.36/10,993.08 = 7,155.92/x
  3. Step 3: Cross multiply
    7,337.36x = 10,993.08 × 7,155.92
  4. Step 4: Simplify right side
    7,337.36x = 78,665,601.03
  5. Step 5: Solve for x
    x = 78,665,601.03/7,337.36
  6. Step 6: Final answer
    x = 10,721.24

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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.