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Finding the Fourth Proportional to 5,073.79, 7,001.92 and 2,835.81

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Solution

The fourth proportional to 5,073.79, 7,001.92 and 2,835.81 is: 3,913.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,073.79 : 7,001.92 = 2,835.81 : x
  2. Step 2: Convert to fraction form
    5,073.79/7,001.92 = 2,835.81/x
  3. Step 3: Cross multiply
    5,073.79x = 7,001.92 × 2,835.81
  4. Step 4: Simplify right side
    5,073.79x = 19,856,114.76
  5. Step 5: Solve for x
    x = 19,856,114.76/5,073.79
  6. Step 6: Final answer
    x = 3,913.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.