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Finding the Fourth Proportional to 9,061.66, 13,594.04 and 2,821.22

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Solution

The fourth proportional to 9,061.66, 13,594.04 and 2,821.22 is: 4,232.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,061.66 : 13,594.04 = 2,821.22 : x
  2. Step 2: Convert to fraction form
    9,061.66/13,594.04 = 2,821.22/x
  3. Step 3: Cross multiply
    9,061.66x = 13,594.04 × 2,821.22
  4. Step 4: Simplify right side
    9,061.66x = 38,351,777.53
  5. Step 5: Solve for x
    x = 38,351,777.53/9,061.66
  6. Step 6: Final answer
    x = 4,232.31

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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.