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Finding the Fourth Proportional to 5,987.22, 8,260.13 and 5,977.99

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Solution

The fourth proportional to 5,987.22, 8,260.13 and 5,977.99 is: 8,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.22 : 8,260.13 = 5,977.99 : x
  2. Step 2: Convert to fraction form
    5,987.22/8,260.13 = 5,977.99/x
  3. Step 3: Cross multiply
    5,987.22x = 8,260.13 × 5,977.99
  4. Step 4: Simplify right side
    5,987.22x = 49,378,974.54
  5. Step 5: Solve for x
    x = 49,378,974.54/5,987.22
  6. Step 6: Final answer
    x = 8,247.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.