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Finding the Fourth Proportional to 51,898.73, 71,620.47 and 29,237.99

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Solution

The fourth proportional to 51,898.73, 71,620.47 and 29,237.99 is: 40,348.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,898.73 : 71,620.47 = 29,237.99 : x
  2. Step 2: Convert to fraction form
    51,898.73/71,620.47 = 29,237.99/x
  3. Step 3: Cross multiply
    51,898.73x = 71,620.47 × 29,237.99
  4. Step 4: Simplify right side
    51,898.73x = 2,094,038,618.52
  5. Step 5: Solve for x
    x = 2,094,038,618.52/51,898.73
  6. Step 6: Final answer
    x = 40,348.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.