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Finding the Fourth Proportional to 16,042.76, 22,137.77 and 8,967.81

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Solution

The fourth proportional to 16,042.76, 22,137.77 and 8,967.81 is: 12,374.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,042.76 : 22,137.77 = 8,967.81 : x
  2. Step 2: Convert to fraction form
    16,042.76/22,137.77 = 8,967.81/x
  3. Step 3: Cross multiply
    16,042.76x = 22,137.77 × 8,967.81
  4. Step 4: Simplify right side
    16,042.76x = 198,527,420.62
  5. Step 5: Solve for x
    x = 198,527,420.62/16,042.76
  6. Step 6: Final answer
    x = 12,374.89

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Half scale
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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.