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Finding the Fourth Proportional to 63,531.84, 87,672.60 and 35,236.92

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Solution

The fourth proportional to 63,531.84, 87,672.60 and 35,236.92 is: 48,626.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,531.84 : 87,672.60 = 35,236.92 : x
  2. Step 2: Convert to fraction form
    63,531.84/87,672.60 = 35,236.92/x
  3. Step 3: Cross multiply
    63,531.84x = 87,672.60 × 35,236.92
  4. Step 4: Simplify right side
    63,531.84x = 3,089,312,392.39
  5. Step 5: Solve for x
    x = 3,089,312,392.39/63,531.84
  6. Step 6: Final answer
    x = 48,626.21

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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.