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Finding the Fourth Proportional to 16,656.60, 22,986.78 and 9,583.02

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Solution

The fourth proportional to 16,656.60, 22,986.78 and 9,583.02 is: 13,224.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,656.60 : 22,986.78 = 9,583.02 : x
  2. Step 2: Convert to fraction form
    16,656.60/22,986.78 = 9,583.02/x
  3. Step 3: Cross multiply
    16,656.60x = 22,986.78 × 9,583.02
  4. Step 4: Simplify right side
    16,656.60x = 220,282,772.48
  5. Step 5: Solve for x
    x = 220,282,772.48/16,656.60
  6. Step 6: Final answer
    x = 13,224.95

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Why These Related Problems?

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