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Finding the Fourth Proportional to 2,495.88, 3,743.86 and 740.92

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Solution

The fourth proportional to 2,495.88, 3,743.86 and 740.92 is: 1,111.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495.88 : 3,743.86 = 740.92 : x
  2. Step 2: Convert to fraction form
    2,495.88/3,743.86 = 740.92/x
  3. Step 3: Cross multiply
    2,495.88x = 3,743.86 × 740.92
  4. Step 4: Simplify right side
    2,495.88x = 2,773,900.75
  5. Step 5: Solve for x
    x = 2,773,900.75/2,495.88
  6. Step 6: Final answer
    x = 1,111.39

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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.