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Finding the Fourth Proportional to 34,695.96, 51,960.02 and 19,859.90

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Solution

The fourth proportional to 34,695.96, 51,960.02 and 19,859.90 is: 29,741.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,695.96 : 51,960.02 = 19,859.90 : x
  2. Step 2: Convert to fraction form
    34,695.96/51,960.02 = 19,859.90/x
  3. Step 3: Cross multiply
    34,695.96x = 51,960.02 × 19,859.90
  4. Step 4: Simplify right side
    34,695.96x = 1,031,920,801.20
  5. Step 5: Solve for x
    x = 1,031,920,801.20/34,695.96
  6. Step 6: Final answer
    x = 29,741.81

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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.