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Finding the Fourth Proportional to 6,602.97, 9,905.99 and 2,905.48

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Solution

The fourth proportional to 6,602.97, 9,905.99 and 2,905.48 is: 4,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.97 : 9,905.99 = 2,905.48 : x
  2. Step 2: Convert to fraction form
    6,602.97/9,905.99 = 2,905.48/x
  3. Step 3: Cross multiply
    6,602.97x = 9,905.99 × 2,905.48
  4. Step 4: Simplify right side
    6,602.97x = 28,781,655.83
  5. Step 5: Solve for x
    x = 28,781,655.83/6,602.97
  6. Step 6: Final answer
    x = 4,358.90

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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.