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Finding the Fourth Proportional to 4,755.12, 6,561.76 and 2,658.88

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Solution

The fourth proportional to 4,755.12, 6,561.76 and 2,658.88 is: 3,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.12 : 6,561.76 = 2,658.88 : x
  2. Step 2: Convert to fraction form
    4,755.12/6,561.76 = 2,658.88/x
  3. Step 3: Cross multiply
    4,755.12x = 6,561.76 × 2,658.88
  4. Step 4: Simplify right side
    4,755.12x = 17,446,932.43
  5. Step 5: Solve for x
    x = 17,446,932.43/4,755.12
  6. Step 6: Final answer
    x = 3,669.08

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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.