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Finding the Fourth Proportional to 3,700.59, 5,550.80 and 1,201.77

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Solution

The fourth proportional to 3,700.59, 5,550.80 and 1,201.77 is: 1,802.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.59 : 5,550.80 = 1,201.77 : x
  2. Step 2: Convert to fraction form
    3,700.59/5,550.80 = 1,201.77/x
  3. Step 3: Cross multiply
    3,700.59x = 5,550.80 × 1,201.77
  4. Step 4: Simplify right side
    3,700.59x = 6,670,786.42
  5. Step 5: Solve for x
    x = 6,670,786.42/3,700.59
  6. Step 6: Final answer
    x = 1,802.63

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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.