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Finding the Fourth Proportional to 5,368.92, 8,053.36 and 5,245.90

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Solution

The fourth proportional to 5,368.92, 8,053.36 and 5,245.90 is: 7,868.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.92 : 8,053.36 = 5,245.90 : x
  2. Step 2: Convert to fraction form
    5,368.92/8,053.36 = 5,245.90/x
  3. Step 3: Cross multiply
    5,368.92x = 8,053.36 × 5,245.90
  4. Step 4: Simplify right side
    5,368.92x = 42,247,121.22
  5. Step 5: Solve for x
    x = 42,247,121.22/5,368.92
  6. Step 6: Final answer
    x = 7,868.83

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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.