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Finding the Fourth Proportional to 4,935.85, 7,402.97 and 1,648.94

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Solution

The fourth proportional to 4,935.85, 7,402.97 and 1,648.94 is: 2,473.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.85 : 7,402.97 = 1,648.94 : x
  2. Step 2: Convert to fraction form
    4,935.85/7,402.97 = 1,648.94/x
  3. Step 3: Cross multiply
    4,935.85x = 7,402.97 × 1,648.94
  4. Step 4: Simplify right side
    4,935.85x = 12,207,020.46
  5. Step 5: Solve for x
    x = 12,207,020.46/4,935.85
  6. Step 6: Final answer
    x = 2,473.14

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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.