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Finding the Fourth Proportional to 6,866.01, 9,478.77 and 5,370.75

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Solution

The fourth proportional to 6,866.01, 9,478.77 and 5,370.75 is: 7,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.01 : 9,478.77 = 5,370.75 : x
  2. Step 2: Convert to fraction form
    6,866.01/9,478.77 = 5,370.75/x
  3. Step 3: Cross multiply
    6,866.01x = 9,478.77 × 5,370.75
  4. Step 4: Simplify right side
    6,866.01x = 50,908,103.98
  5. Step 5: Solve for x
    x = 50,908,103.98/6,866.01
  6. Step 6: Final answer
    x = 7,414.51

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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.