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Finding the Fourth Proportional to 2,460.68, 3,690.51 and 901.43

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Solution

The fourth proportional to 2,460.68, 3,690.51 and 901.43 is: 1,351.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460.68 : 3,690.51 = 901.43 : x
  2. Step 2: Convert to fraction form
    2,460.68/3,690.51 = 901.43/x
  3. Step 3: Cross multiply
    2,460.68x = 3,690.51 × 901.43
  4. Step 4: Simplify right side
    2,460.68x = 3,326,754.27
  5. Step 5: Solve for x
    x = 3,326,754.27/2,460.68
  6. Step 6: Final answer
    x = 1,351.96

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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.