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Finding the Fourth Proportional to 3,337.79, 5,006.93 and 997.61

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Solution

The fourth proportional to 3,337.79, 5,006.93 and 997.61 is: 1,496.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,337.79 : 5,006.93 = 997.61 : x
  2. Step 2: Convert to fraction form
    3,337.79/5,006.93 = 997.61/x
  3. Step 3: Cross multiply
    3,337.79x = 5,006.93 × 997.61
  4. Step 4: Simplify right side
    3,337.79x = 4,994,963.44
  5. Step 5: Solve for x
    x = 4,994,963.44/3,337.79
  6. Step 6: Final answer
    x = 1,496.49

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Double scale
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1.5x scale

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.