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Finding the Fourth Proportional to 4,795.78, 7,193.78 and 1,508.87

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Solution

The fourth proportional to 4,795.78, 7,193.78 and 1,508.87 is: 2,263.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,795.78 : 7,193.78 = 1,508.87 : x
  2. Step 2: Convert to fraction form
    4,795.78/7,193.78 = 1,508.87/x
  3. Step 3: Cross multiply
    4,795.78x = 7,193.78 × 1,508.87
  4. Step 4: Simplify right side
    4,795.78x = 10,854,478.83
  5. Step 5: Solve for x
    x = 10,854,478.83/4,795.78
  6. Step 6: Final answer
    x = 2,263.34

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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.