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Finding the Fourth Proportional to 5,166.56, 7,748.76 and 1,703

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Solution

The fourth proportional to 5,166.56, 7,748.76 and 1,703 is: 2,554.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.56 : 7,748.76 = 1,703 : x
  2. Step 2: Convert to fraction form
    5,166.56/7,748.76 = 1,703/x
  3. Step 3: Cross multiply
    5,166.56x = 7,748.76 × 1,703
  4. Step 4: Simplify right side
    5,166.56x = 13,196,138.28
  5. Step 5: Solve for x
    x = 13,196,138.28/5,166.56
  6. Step 6: Final answer
    x = 2,554.14

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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.