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Finding the Fourth Proportional to 3,355.54, 5,034.96 and 1,507.96

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Solution

The fourth proportional to 3,355.54, 5,034.96 and 1,507.96 is: 2,262.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.54 : 5,034.96 = 1,507.96 : x
  2. Step 2: Convert to fraction form
    3,355.54/5,034.96 = 1,507.96/x
  3. Step 3: Cross multiply
    3,355.54x = 5,034.96 × 1,507.96
  4. Step 4: Simplify right side
    3,355.54x = 7,592,518.28
  5. Step 5: Solve for x
    x = 7,592,518.28/3,355.54
  6. Step 6: Final answer
    x = 2,262.68

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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.