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Finding the Fourth Proportional to 33,445.58, 50,187.90 and 12,670.70

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Solution

The fourth proportional to 33,445.58, 50,187.90 and 12,670.70 is: 19,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,445.58 : 50,187.90 = 12,670.70 : x
  2. Step 2: Convert to fraction form
    33,445.58/50,187.90 = 12,670.70/x
  3. Step 3: Cross multiply
    33,445.58x = 50,187.90 × 12,670.70
  4. Step 4: Simplify right side
    33,445.58x = 635,915,824.53
  5. Step 5: Solve for x
    x = 635,915,824.53/33,445.58
  6. Step 6: Final answer
    x = 19,013.45

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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.