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Finding the Fourth Proportional to 1,888.66, 2,835.42 and 1,601.92

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Solution

The fourth proportional to 1,888.66, 2,835.42 and 1,601.92 is: 2,404.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.66 : 2,835.42 = 1,601.92 : x
  2. Step 2: Convert to fraction form
    1,888.66/2,835.42 = 1,601.92/x
  3. Step 3: Cross multiply
    1,888.66x = 2,835.42 × 1,601.92
  4. Step 4: Simplify right side
    1,888.66x = 4,542,116.01
  5. Step 5: Solve for x
    x = 4,542,116.01/1,888.66
  6. Step 6: Final answer
    x = 2,404.94

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Why These Related Problems?

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