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Finding the Fourth Proportional to 16,807.62, 23,194.29 and 9,355.62

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Solution

The fourth proportional to 16,807.62, 23,194.29 and 9,355.62 is: 12,910.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,807.62 : 23,194.29 = 9,355.62 : x
  2. Step 2: Convert to fraction form
    16,807.62/23,194.29 = 9,355.62/x
  3. Step 3: Cross multiply
    16,807.62x = 23,194.29 × 9,355.62
  4. Step 4: Simplify right side
    16,807.62x = 216,996,963.41
  5. Step 5: Solve for x
    x = 216,996,963.41/16,807.62
  6. Step 6: Final answer
    x = 12,910.63

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Double scale
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1.5x scale

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.