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Finding the Fourth Proportional to 1,862.07, 2,795.16 and 1,474.56

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Solution

The fourth proportional to 1,862.07, 2,795.16 and 1,474.56 is: 2,213.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.07 : 2,795.16 = 1,474.56 : x
  2. Step 2: Convert to fraction form
    1,862.07/2,795.16 = 1,474.56/x
  3. Step 3: Cross multiply
    1,862.07x = 2,795.16 × 1,474.56
  4. Step 4: Simplify right side
    1,862.07x = 4,121,636.23
  5. Step 5: Solve for x
    x = 4,121,636.23/1,862.07
  6. Step 6: Final answer
    x = 2,213.47

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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.