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Finding the Fourth Proportional to 91,738.80, 137,611.08 and 32,573.52

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Solution

The fourth proportional to 91,738.80, 137,611.08 and 32,573.52 is: 48,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,738.80 : 137,611.08 = 32,573.52 : x
  2. Step 2: Convert to fraction form
    91,738.80/137,611.08 = 32,573.52/x
  3. Step 3: Cross multiply
    91,738.80x = 137,611.08 × 32,573.52
  4. Step 4: Simplify right side
    91,738.80x = 4,482,477,266.60
  5. Step 5: Solve for x
    x = 4,482,477,266.60/91,738.80
  6. Step 6: Final answer
    x = 48,861.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.