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Finding the Fourth Proportional to 2,768.00, 4,152.29 and 1,124.30

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Solution

The fourth proportional to 2,768.00, 4,152.29 and 1,124.30 is: 1,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.00 : 4,152.29 = 1,124.30 : x
  2. Step 2: Convert to fraction form
    2,768.00/4,152.29 = 1,124.30/x
  3. Step 3: Cross multiply
    2,768.00x = 4,152.29 × 1,124.30
  4. Step 4: Simplify right side
    2,768.00x = 4,668,393.26
  5. Step 5: Solve for x
    x = 4,668,393.26/2,768.00
  6. Step 6: Final answer
    x = 1,686.56

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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.