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Finding the Fourth Proportional to 51,927.31, 71,659.71 and 28,053.94

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Solution

The fourth proportional to 51,927.31, 71,659.71 and 28,053.94 is: 38,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,927.31 : 71,659.71 = 28,053.94 : x
  2. Step 2: Convert to fraction form
    51,927.31/71,659.71 = 28,053.94/x
  3. Step 3: Cross multiply
    51,927.31x = 71,659.71 × 28,053.94
  4. Step 4: Simplify right side
    51,927.31x = 2,010,337,204.76
  5. Step 5: Solve for x
    x = 2,010,337,204.76/51,927.31
  6. Step 6: Final answer
    x = 38,714.45

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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.