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Finding the Fourth Proportional to 6,602.92, 9,905.90 and 2,707.32

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Solution

The fourth proportional to 6,602.92, 9,905.90 and 2,707.32 is: 4,061.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.92 : 9,905.90 = 2,707.32 : x
  2. Step 2: Convert to fraction form
    6,602.92/9,905.90 = 2,707.32/x
  3. Step 3: Cross multiply
    6,602.92x = 9,905.90 × 2,707.32
  4. Step 4: Simplify right side
    6,602.92x = 26,818,464.80
  5. Step 5: Solve for x
    x = 26,818,464.80/6,602.92
  6. Step 6: Final answer
    x = 4,061.61

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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.