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Finding the Fourth Proportional to 3,652.71, 5,030.12 and 3,173.94

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Solution

The fourth proportional to 3,652.71, 5,030.12 and 3,173.94 is: 4,370.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.71 : 5,030.12 = 3,173.94 : x
  2. Step 2: Convert to fraction form
    3,652.71/5,030.12 = 3,173.94/x
  3. Step 3: Cross multiply
    3,652.71x = 5,030.12 × 3,173.94
  4. Step 4: Simplify right side
    3,652.71x = 15,965,307.01
  5. Step 5: Solve for x
    x = 15,965,307.01/3,652.71
  6. Step 6: Final answer
    x = 4,370.81

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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.