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Finding the Fourth Proportional to 3,483.97, 5,226.16 and 1,403.96

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Solution

The fourth proportional to 3,483.97, 5,226.16 and 1,403.96 is: 2,106.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.97 : 5,226.16 = 1,403.96 : x
  2. Step 2: Convert to fraction form
    3,483.97/5,226.16 = 1,403.96/x
  3. Step 3: Cross multiply
    3,483.97x = 5,226.16 × 1,403.96
  4. Step 4: Simplify right side
    3,483.97x = 7,337,319.59
  5. Step 5: Solve for x
    x = 7,337,319.59/3,483.97
  6. Step 6: Final answer
    x = 2,106.02

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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.