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Finding the Fourth Proportional to 4,740.95, 6,542.49 and 2,645.07

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Solution

The fourth proportional to 4,740.95, 6,542.49 and 2,645.07 is: 3,650.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.95 : 6,542.49 = 2,645.07 : x
  2. Step 2: Convert to fraction form
    4,740.95/6,542.49 = 2,645.07/x
  3. Step 3: Cross multiply
    4,740.95x = 6,542.49 × 2,645.07
  4. Step 4: Simplify right side
    4,740.95x = 17,305,344.02
  5. Step 5: Solve for x
    x = 17,305,344.02/4,740.95
  6. Step 6: Final answer
    x = 3,650.19

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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.