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Finding the Fourth Proportional to 6,845.59, 10,218.87 and 6,015.22

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Solution

The fourth proportional to 6,845.59, 10,218.87 and 6,015.22 is: 8,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.59 : 10,218.87 = 6,015.22 : x
  2. Step 2: Convert to fraction form
    6,845.59/10,218.87 = 6,015.22/x
  3. Step 3: Cross multiply
    6,845.59x = 10,218.87 × 6,015.22
  4. Step 4: Simplify right side
    6,845.59x = 61,468,751.20
  5. Step 5: Solve for x
    x = 61,468,751.20/6,845.59
  6. Step 6: Final answer
    x = 8,979.32

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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.