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Finding the Fourth Proportional to 2,533.38, 3,801.18 and 891.12

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Solution

The fourth proportional to 2,533.38, 3,801.18 and 891.12 is: 1,337.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,533.38 : 3,801.18 = 891.12 : x
  2. Step 2: Convert to fraction form
    2,533.38/3,801.18 = 891.12/x
  3. Step 3: Cross multiply
    2,533.38x = 3,801.18 × 891.12
  4. Step 4: Simplify right side
    2,533.38x = 3,387,307.52
  5. Step 5: Solve for x
    x = 3,387,307.52/2,533.38
  6. Step 6: Final answer
    x = 1,337.07

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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.