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Finding the Fourth Proportional to 2,052.56, 3,077 and 753.12

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Solution

The fourth proportional to 2,052.56, 3,077 and 753.12 is: 1,129.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052.56 : 3,077 = 753.12 : x
  2. Step 2: Convert to fraction form
    2,052.56/3,077 = 753.12/x
  3. Step 3: Cross multiply
    2,052.56x = 3,077 × 753.12
  4. Step 4: Simplify right side
    2,052.56x = 2,317,350.24
  5. Step 5: Solve for x
    x = 2,317,350.24/2,052.56
  6. Step 6: Final answer
    x = 1,129.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.