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Finding the Fourth Proportional to 75,861.73, 104,630.01 and 48,640.42

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Solution

The fourth proportional to 75,861.73, 104,630.01 and 48,640.42 is: 67,085.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,861.73 : 104,630.01 = 48,640.42 : x
  2. Step 2: Convert to fraction form
    75,861.73/104,630.01 = 48,640.42/x
  3. Step 3: Cross multiply
    75,861.73x = 104,630.01 × 48,640.42
  4. Step 4: Simplify right side
    75,861.73x = 5,089,247,631.00
  5. Step 5: Solve for x
    x = 5,089,247,631.00/75,861.73
  6. Step 6: Final answer
    x = 67,085.84

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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.