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Finding the Fourth Proportional to 60,489, 83,474.74 and 33,630.66

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Solution

The fourth proportional to 60,489, 83,474.74 and 33,630.66 is: 46,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,489 : 83,474.74 = 33,630.66 : x
  2. Step 2: Convert to fraction form
    60,489/83,474.74 = 33,630.66/x
  3. Step 3: Cross multiply
    60,489x = 83,474.74 × 33,630.66
  4. Step 4: Simplify right side
    60,489x = 2,807,310,599.53
  5. Step 5: Solve for x
    x = 2,807,310,599.53/60,489
  6. Step 6: Final answer
    x = 46,410.27

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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.