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Finding the Fourth Proportional to 47,364.80, 71,104.80 and 35,585.60

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Solution

The fourth proportional to 47,364.80, 71,104.80 and 35,585.60 is: 53,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,364.80 : 71,104.80 = 35,585.60 : x
  2. Step 2: Convert to fraction form
    47,364.80/71,104.80 = 35,585.60/x
  3. Step 3: Cross multiply
    47,364.80x = 71,104.80 × 35,585.60
  4. Step 4: Simplify right side
    47,364.80x = 2,530,306,970.88
  5. Step 5: Solve for x
    x = 2,530,306,970.88/47,364.80
  6. Step 6: Final answer
    x = 53,421.68

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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.