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Finding the Fourth Proportional to 5,635.17, 7,778.72 and 5,044.68

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Solution

The fourth proportional to 5,635.17, 7,778.72 and 5,044.68 is: 6,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.17 : 7,778.72 = 5,044.68 : x
  2. Step 2: Convert to fraction form
    5,635.17/7,778.72 = 5,044.68/x
  3. Step 3: Cross multiply
    5,635.17x = 7,778.72 × 5,044.68
  4. Step 4: Simplify right side
    5,635.17x = 39,241,127.99
  5. Step 5: Solve for x
    x = 39,241,127.99/5,635.17
  6. Step 6: Final answer
    x = 6,963.61

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1.5x scale

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.