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Finding the Fourth Proportional to 47,346.78, 71,114.78 and 29,608.99

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Solution

The fourth proportional to 47,346.78, 71,114.78 and 29,608.99 is: 44,472.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,346.78 : 71,114.78 = 29,608.99 : x
  2. Step 2: Convert to fraction form
    47,346.78/71,114.78 = 29,608.99/x
  3. Step 3: Cross multiply
    47,346.78x = 71,114.78 × 29,608.99
  4. Step 4: Simplify right side
    47,346.78x = 2,105,636,809.87
  5. Step 5: Solve for x
    x = 2,105,636,809.87/47,346.78
  6. Step 6: Final answer
    x = 44,472.65

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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.