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Finding the Fourth Proportional to 6,360.80, 8,782.27 and 4,866.11

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Solution

The fourth proportional to 6,360.80, 8,782.27 and 4,866.11 is: 6,718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,360.80 : 8,782.27 = 4,866.11 : x
  2. Step 2: Convert to fraction form
    6,360.80/8,782.27 = 4,866.11/x
  3. Step 3: Cross multiply
    6,360.80x = 8,782.27 × 4,866.11
  4. Step 4: Simplify right side
    6,360.80x = 42,735,496.10
  5. Step 5: Solve for x
    x = 42,735,496.10/6,360.80
  6. Step 6: Final answer
    x = 6,718.58

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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.