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Finding the Fourth Proportional to 47,267.20, 70,900.80 and 23,890.60

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Solution

The fourth proportional to 47,267.20, 70,900.80 and 23,890.60 is: 35,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,267.20 : 70,900.80 = 23,890.60 : x
  2. Step 2: Convert to fraction form
    47,267.20/70,900.80 = 23,890.60/x
  3. Step 3: Cross multiply
    47,267.20x = 70,900.80 × 23,890.60
  4. Step 4: Simplify right side
    47,267.20x = 1,693,862,652.48
  5. Step 5: Solve for x
    x = 1,693,862,652.48/47,267.20
  6. Step 6: Final answer
    x = 35,835.90

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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.