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Finding the Fourth Proportional to 1,857.81, 2,788.08 and 1,496.96

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Solution

The fourth proportional to 1,857.81, 2,788.08 and 1,496.96 is: 2,246.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.81 : 2,788.08 = 1,496.96 : x
  2. Step 2: Convert to fraction form
    1,857.81/2,788.08 = 1,496.96/x
  3. Step 3: Cross multiply
    1,857.81x = 2,788.08 × 1,496.96
  4. Step 4: Simplify right side
    1,857.81x = 4,173,630.30
  5. Step 5: Solve for x
    x = 4,173,630.30/1,857.81
  6. Step 6: Final answer
    x = 2,246.53

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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.