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Finding the Fourth Proportional to 16,380.04, 22,605.06 and 9,307.66

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Solution

The fourth proportional to 16,380.04, 22,605.06 and 9,307.66 is: 12,844.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,380.04 : 22,605.06 = 9,307.66 : x
  2. Step 2: Convert to fraction form
    16,380.04/22,605.06 = 9,307.66/x
  3. Step 3: Cross multiply
    16,380.04x = 22,605.06 × 9,307.66
  4. Step 4: Simplify right side
    16,380.04x = 210,400,212.76
  5. Step 5: Solve for x
    x = 210,400,212.76/16,380.04
  6. Step 6: Final answer
    x = 12,844.91

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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.