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Finding the Fourth Proportional to 5,815.05, 8,722.67 and 5,363.67

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Solution

The fourth proportional to 5,815.05, 8,722.67 and 5,363.67 is: 8,045.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.05 : 8,722.67 = 5,363.67 : x
  2. Step 2: Convert to fraction form
    5,815.05/8,722.67 = 5,363.67/x
  3. Step 3: Cross multiply
    5,815.05x = 8,722.67 × 5,363.67
  4. Step 4: Simplify right side
    5,815.05x = 46,785,496.58
  5. Step 5: Solve for x
    x = 46,785,496.58/5,815.05
  6. Step 6: Final answer
    x = 8,045.59

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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.