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Finding the Fourth Proportional to 51,504.95, 71,068.61 and 28,844.91

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Solution

The fourth proportional to 51,504.95, 71,068.61 and 28,844.91 is: 39,801.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,504.95 : 71,068.61 = 28,844.91 : x
  2. Step 2: Convert to fraction form
    51,504.95/71,068.61 = 28,844.91/x
  3. Step 3: Cross multiply
    51,504.95x = 71,068.61 × 28,844.91
  4. Step 4: Simplify right side
    51,504.95x = 2,049,967,731.39
  5. Step 5: Solve for x
    x = 2,049,967,731.39/51,504.95
  6. Step 6: Final answer
    x = 39,801.37

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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.