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Finding the Fourth Proportional to 5,940.08, 8,866.24 and 5,239.68

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Solution

The fourth proportional to 5,940.08, 8,866.24 and 5,239.68 is: 7,820.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.08 : 8,866.24 = 5,239.68 : x
  2. Step 2: Convert to fraction form
    5,940.08/8,866.24 = 5,239.68/x
  3. Step 3: Cross multiply
    5,940.08x = 8,866.24 × 5,239.68
  4. Step 4: Simplify right side
    5,940.08x = 46,456,260.40
  5. Step 5: Solve for x
    x = 46,456,260.40/5,940.08
  6. Step 6: Final answer
    x = 7,820.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.