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Finding the Fourth Proportional to 11,295.61, 16,924.88 and 8,002.82

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Solution

The fourth proportional to 11,295.61, 16,924.88 and 8,002.82 is: 11,991.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.61 : 16,924.88 = 8,002.82 : x
  2. Step 2: Convert to fraction form
    11,295.61/16,924.88 = 8,002.82/x
  3. Step 3: Cross multiply
    11,295.61x = 16,924.88 × 8,002.82
  4. Step 4: Simplify right side
    11,295.61x = 135,446,830.48
  5. Step 5: Solve for x
    x = 135,446,830.48/11,295.61
  6. Step 6: Final answer
    x = 11,991.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.