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Finding the Fourth Proportional to 8,967, 12,377.70 and 6,180.60

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Solution

The fourth proportional to 8,967, 12,377.70 and 6,180.60 is: 8,531.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967 : 12,377.70 = 6,180.60 : x
  2. Step 2: Convert to fraction form
    8,967/12,377.70 = 6,180.60/x
  3. Step 3: Cross multiply
    8,967x = 12,377.70 × 6,180.60
  4. Step 4: Simplify right side
    8,967x = 76,501,612.62
  5. Step 5: Solve for x
    x = 76,501,612.62/8,967
  6. Step 6: Final answer
    x = 8,531.46

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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.