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Finding the Fourth Proportional to 3,670.03, 5,504.98 and 1,478.71

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Solution

The fourth proportional to 3,670.03, 5,504.98 and 1,478.71 is: 2,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.03 : 5,504.98 = 1,478.71 : x
  2. Step 2: Convert to fraction form
    3,670.03/5,504.98 = 1,478.71/x
  3. Step 3: Cross multiply
    3,670.03x = 5,504.98 × 1,478.71
  4. Step 4: Simplify right side
    3,670.03x = 8,140,265.28
  5. Step 5: Solve for x
    x = 8,140,265.28/3,670.03
  6. Step 6: Final answer
    x = 2,218.04

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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.