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Finding the Fourth Proportional to 4,703.18, 6,490.42 and 2,713.72

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Solution

The fourth proportional to 4,703.18, 6,490.42 and 2,713.72 is: 3,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.18 : 6,490.42 = 2,713.72 : x
  2. Step 2: Convert to fraction form
    4,703.18/6,490.42 = 2,713.72/x
  3. Step 3: Cross multiply
    4,703.18x = 6,490.42 × 2,713.72
  4. Step 4: Simplify right side
    4,703.18x = 17,613,182.56
  5. Step 5: Solve for x
    x = 17,613,182.56/4,703.18
  6. Step 6: Final answer
    x = 3,744.95

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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.