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Finding the Fourth Proportional to 5,165.44, 7,748.16 and 1,702.69

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Solution

The fourth proportional to 5,165.44, 7,748.16 and 1,702.69 is: 2,554.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.44 : 7,748.16 = 1,702.69 : x
  2. Step 2: Convert to fraction form
    5,165.44/7,748.16 = 1,702.69/x
  3. Step 3: Cross multiply
    5,165.44x = 7,748.16 × 1,702.69
  4. Step 4: Simplify right side
    5,165.44x = 13,192,688.79
  5. Step 5: Solve for x
    x = 13,192,688.79/5,165.44
  6. Step 6: Final answer
    x = 2,554.03

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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.