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Finding the Fourth Proportional to 60,231.40, 90,311.10 and 36,874.60

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Solution

The fourth proportional to 60,231.40, 90,311.10 and 36,874.60 is: 55,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,231.40 : 90,311.10 = 36,874.60 : x
  2. Step 2: Convert to fraction form
    60,231.40/90,311.10 = 36,874.60/x
  3. Step 3: Cross multiply
    60,231.40x = 90,311.10 × 36,874.60
  4. Step 4: Simplify right side
    60,231.40x = 3,330,185,688.06
  5. Step 5: Solve for x
    x = 3,330,185,688.06/60,231.40
  6. Step 6: Final answer
    x = 55,289.86

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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.