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Finding the Fourth Proportional to 47,800.76, 71,654.34 and 26,751.08

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Solution

The fourth proportional to 47,800.76, 71,654.34 and 26,751.08 is: 40,100.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,800.76 : 71,654.34 = 26,751.08 : x
  2. Step 2: Convert to fraction form
    47,800.76/71,654.34 = 26,751.08/x
  3. Step 3: Cross multiply
    47,800.76x = 71,654.34 × 26,751.08
  4. Step 4: Simplify right side
    47,800.76x = 1,916,830,981.69
  5. Step 5: Solve for x
    x = 1,916,830,981.69/47,800.76
  6. Step 6: Final answer
    x = 40,100.43

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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.