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Finding the Fourth Proportional to 47,330.80, 71,053.80 and 23,945.20

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Solution

The fourth proportional to 47,330.80, 71,053.80 and 23,945.20 is: 35,946.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,330.80 : 71,053.80 = 23,945.20 : x
  2. Step 2: Convert to fraction form
    47,330.80/71,053.80 = 23,945.20/x
  3. Step 3: Cross multiply
    47,330.80x = 71,053.80 × 23,945.20
  4. Step 4: Simplify right side
    47,330.80x = 1,701,397,451.76
  5. Step 5: Solve for x
    x = 1,701,397,451.76/47,330.80
  6. Step 6: Final answer
    x = 35,946.94

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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.