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Finding the Fourth Proportional to 6,502.20, 8,967.72 and 4,140.24

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Solution

The fourth proportional to 6,502.20, 8,967.72 and 4,140.24 is: 5,710.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,502.20 : 8,967.72 = 4,140.24 : x
  2. Step 2: Convert to fraction form
    6,502.20/8,967.72 = 4,140.24/x
  3. Step 3: Cross multiply
    6,502.20x = 8,967.72 × 4,140.24
  4. Step 4: Simplify right side
    6,502.20x = 37,128,513.05
  5. Step 5: Solve for x
    x = 37,128,513.05/6,502.20
  6. Step 6: Final answer
    x = 5,710.15

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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.