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Finding the Fourth Proportional to 3,717.05, 5,582.51 and 3,272.47

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Solution

The fourth proportional to 3,717.05, 5,582.51 and 3,272.47 is: 4,914.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.05 : 5,582.51 = 3,272.47 : x
  2. Step 2: Convert to fraction form
    3,717.05/5,582.51 = 3,272.47/x
  3. Step 3: Cross multiply
    3,717.05x = 5,582.51 × 3,272.47
  4. Step 4: Simplify right side
    3,717.05x = 18,268,566.18
  5. Step 5: Solve for x
    x = 18,268,566.18/3,717.05
  6. Step 6: Final answer
    x = 4,914.81

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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.