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Finding the Fourth Proportional to 3,699.63, 5,548.05 and 1,507.17

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Solution

The fourth proportional to 3,699.63, 5,548.05 and 1,507.17 is: 2,260.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.63 : 5,548.05 = 1,507.17 : x
  2. Step 2: Convert to fraction form
    3,699.63/5,548.05 = 1,507.17/x
  3. Step 3: Cross multiply
    3,699.63x = 5,548.05 × 1,507.17
  4. Step 4: Simplify right side
    3,699.63x = 8,361,854.52
  5. Step 5: Solve for x
    x = 8,361,854.52/3,699.63
  6. Step 6: Final answer
    x = 2,260.19

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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.