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Finding the Fourth Proportional to 5,001.67, 6,903.08 and 2,985.31

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Solution

The fourth proportional to 5,001.67, 6,903.08 and 2,985.31 is: 4,120.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.67 : 6,903.08 = 2,985.31 : x
  2. Step 2: Convert to fraction form
    5,001.67/6,903.08 = 2,985.31/x
  3. Step 3: Cross multiply
    5,001.67x = 6,903.08 × 2,985.31
  4. Step 4: Simplify right side
    5,001.67x = 20,607,833.75
  5. Step 5: Solve for x
    x = 20,607,833.75/5,001.67
  6. Step 6: Final answer
    x = 4,120.19

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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.