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Finding the Fourth Proportional to 54,073, 74,611.67 and 30,199.77

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Solution

The fourth proportional to 54,073, 74,611.67 and 30,199.77 is: 41,670.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,073 : 74,611.67 = 30,199.77 : x
  2. Step 2: Convert to fraction form
    54,073/74,611.67 = 30,199.77/x
  3. Step 3: Cross multiply
    54,073x = 74,611.67 × 30,199.77
  4. Step 4: Simplify right side
    54,073x = 2,253,255,273.32
  5. Step 5: Solve for x
    x = 2,253,255,273.32/54,073
  6. Step 6: Final answer
    x = 41,670.62

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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.