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Finding the Fourth Proportional to 50,959.60, 76,439.40 and 47,460.40

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Solution

The fourth proportional to 50,959.60, 76,439.40 and 47,460.40 is: 71,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,959.60 : 76,439.40 = 47,460.40 : x
  2. Step 2: Convert to fraction form
    50,959.60/76,439.40 = 47,460.40/x
  3. Step 3: Cross multiply
    50,959.60x = 76,439.40 × 47,460.40
  4. Step 4: Simplify right side
    50,959.60x = 3,627,844,499.76
  5. Step 5: Solve for x
    x = 3,627,844,499.76/50,959.60
  6. Step 6: Final answer
    x = 71,190.60

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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.