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Finding the Fourth Proportional to 5,362.10, 8,043.55 and 1,898.90

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Solution

The fourth proportional to 5,362.10, 8,043.55 and 1,898.90 is: 2,848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362.10 : 8,043.55 = 1,898.90 : x
  2. Step 2: Convert to fraction form
    5,362.10/8,043.55 = 1,898.90/x
  3. Step 3: Cross multiply
    5,362.10x = 8,043.55 × 1,898.90
  4. Step 4: Simplify right side
    5,362.10x = 15,273,897.10
  5. Step 5: Solve for x
    x = 15,273,897.10/5,362.10
  6. Step 6: Final answer
    x = 2,848.49

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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.