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Finding the Fourth Proportional to 34,757.72, 47,965.74 and 18,842.04

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Solution

The fourth proportional to 34,757.72, 47,965.74 and 18,842.04 is: 26,002.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,757.72 : 47,965.74 = 18,842.04 : x
  2. Step 2: Convert to fraction form
    34,757.72/47,965.74 = 18,842.04/x
  3. Step 3: Cross multiply
    34,757.72x = 47,965.74 × 18,842.04
  4. Step 4: Simplify right side
    34,757.72x = 903,772,391.71
  5. Step 5: Solve for x
    x = 903,772,391.71/34,757.72
  6. Step 6: Final answer
    x = 26,002.06

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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.