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Finding the Fourth Proportional to 6,260.24, 8,632.68 and 5,378.96

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Solution

The fourth proportional to 6,260.24, 8,632.68 and 5,378.96 is: 7,417.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,260.24 : 8,632.68 = 5,378.96 : x
  2. Step 2: Convert to fraction form
    6,260.24/8,632.68 = 5,378.96/x
  3. Step 3: Cross multiply
    6,260.24x = 8,632.68 × 5,378.96
  4. Step 4: Simplify right side
    6,260.24x = 46,434,840.41
  5. Step 5: Solve for x
    x = 46,434,840.41/6,260.24
  6. Step 6: Final answer
    x = 7,417.42

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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.