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Finding the Fourth Proportional to 16,363, 22,583.80 and 9,289.28

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Solution

The fourth proportional to 16,363, 22,583.80 and 9,289.28 is: 12,820.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,363 : 22,583.80 = 9,289.28 : x
  2. Step 2: Convert to fraction form
    16,363/22,583.80 = 9,289.28/x
  3. Step 3: Cross multiply
    16,363x = 22,583.80 × 9,289.28
  4. Step 4: Simplify right side
    16,363x = 209,787,241.66
  5. Step 5: Solve for x
    x = 209,787,241.66/16,363
  6. Step 6: Final answer
    x = 12,820.83

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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.