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Finding the Fourth Proportional to 47,474.52, 71,211.69 and 17,898.99

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Solution

The fourth proportional to 47,474.52, 71,211.69 and 17,898.99 is: 26,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,474.52 : 71,211.69 = 17,898.99 : x
  2. Step 2: Convert to fraction form
    47,474.52/71,211.69 = 17,898.99/x
  3. Step 3: Cross multiply
    47,474.52x = 71,211.69 × 17,898.99
  4. Step 4: Simplify right side
    47,474.52x = 1,274,617,327.19
  5. Step 5: Solve for x
    x = 1,274,617,327.19/47,474.52
  6. Step 6: Final answer
    x = 26,848.45

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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.