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Finding the Fourth Proportional to 6,600.66, 9,904.71 and 2,707.80

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Solution

The fourth proportional to 6,600.66, 9,904.71 and 2,707.80 is: 4,063.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.66 : 9,904.71 = 2,707.80 : x
  2. Step 2: Convert to fraction form
    6,600.66/9,904.71 = 2,707.80/x
  3. Step 3: Cross multiply
    6,600.66x = 9,904.71 × 2,707.80
  4. Step 4: Simplify right side
    6,600.66x = 26,819,973.74
  5. Step 5: Solve for x
    x = 26,819,973.74/6,600.66
  6. Step 6: Final answer
    x = 4,063.23

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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.