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Finding the Fourth Proportional to 3,670.51, 5,060.02 and 2,620.75

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Solution

The fourth proportional to 3,670.51, 5,060.02 and 2,620.75 is: 3,612.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.51 : 5,060.02 = 2,620.75 : x
  2. Step 2: Convert to fraction form
    3,670.51/5,060.02 = 2,620.75/x
  3. Step 3: Cross multiply
    3,670.51x = 5,060.02 × 2,620.75
  4. Step 4: Simplify right side
    3,670.51x = 13,261,047.42
  5. Step 5: Solve for x
    x = 13,261,047.42/3,670.51
  6. Step 6: Final answer
    x = 3,612.86

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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.