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Finding the Fourth Proportional to 3,767.13, 5,650.05 and 993.83

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Solution

The fourth proportional to 3,767.13, 5,650.05 and 993.83 is: 1,490.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.13 : 5,650.05 = 993.83 : x
  2. Step 2: Convert to fraction form
    3,767.13/5,650.05 = 993.83/x
  3. Step 3: Cross multiply
    3,767.13x = 5,650.05 × 993.83
  4. Step 4: Simplify right side
    3,767.13x = 5,615,192.72
  5. Step 5: Solve for x
    x = 5,615,192.72/3,767.13
  6. Step 6: Final answer
    x = 1,490.58

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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.