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Finding the Fourth Proportional to 47,283.20, 70,924.80 and 23,906.60

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Solution

The fourth proportional to 47,283.20, 70,924.80 and 23,906.60 is: 35,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,283.20 : 70,924.80 = 23,906.60 : x
  2. Step 2: Convert to fraction form
    47,283.20/70,924.80 = 23,906.60/x
  3. Step 3: Cross multiply
    47,283.20x = 70,924.80 × 23,906.60
  4. Step 4: Simplify right side
    47,283.20x = 1,695,570,823.68
  5. Step 5: Solve for x
    x = 1,695,570,823.68/47,283.20
  6. Step 6: Final answer
    x = 35,859.90

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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.