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Finding the Fourth Proportional to 6,239.30, 9,365.83 and 6,216.17

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Solution

The fourth proportional to 6,239.30, 9,365.83 and 6,216.17 is: 9,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.30 : 9,365.83 = 6,216.17 : x
  2. Step 2: Convert to fraction form
    6,239.30/9,365.83 = 6,216.17/x
  3. Step 3: Cross multiply
    6,239.30x = 9,365.83 × 6,216.17
  4. Step 4: Simplify right side
    6,239.30x = 58,219,555.44
  5. Step 5: Solve for x
    x = 58,219,555.44/6,239.30
  6. Step 6: Final answer
    x = 9,331.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.