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Finding the Fourth Proportional to 6,210.92, 8,574.72 and 3,854.36

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Solution

The fourth proportional to 6,210.92, 8,574.72 and 3,854.36 is: 5,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.92 : 8,574.72 = 3,854.36 : x
  2. Step 2: Convert to fraction form
    6,210.92/8,574.72 = 3,854.36/x
  3. Step 3: Cross multiply
    6,210.92x = 8,574.72 × 3,854.36
  4. Step 4: Simplify right side
    6,210.92x = 33,050,057.78
  5. Step 5: Solve for x
    x = 33,050,057.78/6,210.92
  6. Step 6: Final answer
    x = 5,321.28

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