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Finding the Fourth Proportional to 33,442.71, 50,164.16 and 8,482.78

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Solution

The fourth proportional to 33,442.71, 50,164.16 and 8,482.78 is: 12,724.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,442.71 : 50,164.16 = 8,482.78 : x
  2. Step 2: Convert to fraction form
    33,442.71/50,164.16 = 8,482.78/x
  3. Step 3: Cross multiply
    33,442.71x = 50,164.16 × 8,482.78
  4. Step 4: Simplify right side
    33,442.71x = 425,531,533.16
  5. Step 5: Solve for x
    x = 425,531,533.16/33,442.71
  6. Step 6: Final answer
    x = 12,724.19

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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.