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Finding the Fourth Proportional to 2,795.50, 4,193.39 and 715.52

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Solution

The fourth proportional to 2,795.50, 4,193.39 and 715.52 is: 1,073.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.50 : 4,193.39 = 715.52 : x
  2. Step 2: Convert to fraction form
    2,795.50/4,193.39 = 715.52/x
  3. Step 3: Cross multiply
    2,795.50x = 4,193.39 × 715.52
  4. Step 4: Simplify right side
    2,795.50x = 3,000,461.44
  5. Step 5: Solve for x
    x = 3,000,461.44/2,795.50
  6. Step 6: Final answer
    x = 1,073.32

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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.