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Finding the Fourth Proportional to 50,948.60, 76,422.90 and 47,492.60

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Solution

The fourth proportional to 50,948.60, 76,422.90 and 47,492.60 is: 71,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,948.60 : 76,422.90 = 47,492.60 : x
  2. Step 2: Convert to fraction form
    50,948.60/76,422.90 = 47,492.60/x
  3. Step 3: Cross multiply
    50,948.60x = 76,422.90 × 47,492.60
  4. Step 4: Simplify right side
    50,948.60x = 3,629,522,220.54
  5. Step 5: Solve for x
    x = 3,629,522,220.54/50,948.60
  6. Step 6: Final answer
    x = 71,238.90

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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.