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Finding the Fourth Proportional to 32,881.16, 45,375.87 and 18,734.12

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Solution

The fourth proportional to 32,881.16, 45,375.87 and 18,734.12 is: 25,853.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,881.16 : 45,375.87 = 18,734.12 : x
  2. Step 2: Convert to fraction form
    32,881.16/45,375.87 = 18,734.12/x
  3. Step 3: Cross multiply
    32,881.16x = 45,375.87 × 18,734.12
  4. Step 4: Simplify right side
    32,881.16x = 850,076,993.68
  5. Step 5: Solve for x
    x = 850,076,993.68/32,881.16
  6. Step 6: Final answer
    x = 25,853.01

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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.