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Finding the Fourth Proportional to 51,953.00, 71,695.13 and 28,079.66

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Solution

The fourth proportional to 51,953.00, 71,695.13 and 28,079.66 is: 38,749.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,953.00 : 71,695.13 = 28,079.66 : x
  2. Step 2: Convert to fraction form
    51,953.00/71,695.13 = 28,079.66/x
  3. Step 3: Cross multiply
    51,953.00x = 71,695.13 × 28,079.66
  4. Step 4: Simplify right side
    51,953.00x = 2,013,174,912.90
  5. Step 5: Solve for x
    x = 2,013,174,912.90/51,953.00
  6. Step 6: Final answer
    x = 38,749.93

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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.