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Finding the Fourth Proportional to 33,657.68, 46,447.80 and 18,753.68

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Solution

The fourth proportional to 33,657.68, 46,447.80 and 18,753.68 is: 25,880.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,657.68 : 46,447.80 = 18,753.68 : x
  2. Step 2: Convert to fraction form
    33,657.68/46,447.80 = 18,753.68/x
  3. Step 3: Cross multiply
    33,657.68x = 46,447.80 × 18,753.68
  4. Step 4: Simplify right side
    33,657.68x = 871,067,177.90
  5. Step 5: Solve for x
    x = 871,067,177.90/33,657.68
  6. Step 6: Final answer
    x = 25,880.19

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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.