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Finding the Fourth Proportional to 2,699.82, 3,725.76 and 1,637.24

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Solution

The fourth proportional to 2,699.82, 3,725.76 and 1,637.24 is: 2,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.82 : 3,725.76 = 1,637.24 : x
  2. Step 2: Convert to fraction form
    2,699.82/3,725.76 = 1,637.24/x
  3. Step 3: Cross multiply
    2,699.82x = 3,725.76 × 1,637.24
  4. Step 4: Simplify right side
    2,699.82x = 6,099,963.30
  5. Step 5: Solve for x
    x = 6,099,963.30/2,699.82
  6. Step 6: Final answer
    x = 2,259.40

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1.5x scale

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.