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Finding the Fourth Proportional to 3,699.90, 5,539.89 and 3,053.58

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Solution

The fourth proportional to 3,699.90, 5,539.89 and 3,053.58 is: 4,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.90 : 5,539.89 = 3,053.58 : x
  2. Step 2: Convert to fraction form
    3,699.90/5,539.89 = 3,053.58/x
  3. Step 3: Cross multiply
    3,699.90x = 5,539.89 × 3,053.58
  4. Step 4: Simplify right side
    3,699.90x = 16,916,497.31
  5. Step 5: Solve for x
    x = 16,916,497.31/3,699.90
  6. Step 6: Final answer
    x = 4,572.15

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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.