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Finding the Fourth Proportional to 22,662.08, 33,987.98 and 8,617.12

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Solution

The fourth proportional to 22,662.08, 33,987.98 and 8,617.12 is: 12,923.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,662.08 : 33,987.98 = 8,617.12 : x
  2. Step 2: Convert to fraction form
    22,662.08/33,987.98 = 8,617.12/x
  3. Step 3: Cross multiply
    22,662.08x = 33,987.98 × 8,617.12
  4. Step 4: Simplify right side
    22,662.08x = 292,878,374.16
  5. Step 5: Solve for x
    x = 292,878,374.16/22,662.08
  6. Step 6: Final answer
    x = 12,923.72

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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.