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Finding the Fourth Proportional to 6,606.45, 9,117.63 and 3,954.51

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Solution

The fourth proportional to 6,606.45, 9,117.63 and 3,954.51 is: 5,457.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.45 : 9,117.63 = 3,954.51 : x
  2. Step 2: Convert to fraction form
    6,606.45/9,117.63 = 3,954.51/x
  3. Step 3: Cross multiply
    6,606.45x = 9,117.63 × 3,954.51
  4. Step 4: Simplify right side
    6,606.45x = 36,055,759.01
  5. Step 5: Solve for x
    x = 36,055,759.01/6,606.45
  6. Step 6: Final answer
    x = 5,457.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.