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Finding the Fourth Proportional to 31,893.88, 48,053.62 and 28,895.66

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Solution

The fourth proportional to 31,893.88, 48,053.62 and 28,895.66 is: 43,536.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,893.88 : 48,053.62 = 28,895.66 : x
  2. Step 2: Convert to fraction form
    31,893.88/48,053.62 = 28,895.66/x
  3. Step 3: Cross multiply
    31,893.88x = 48,053.62 × 28,895.66
  4. Step 4: Simplify right side
    31,893.88x = 1,388,541,065.29
  5. Step 5: Solve for x
    x = 1,388,541,065.29/31,893.88
  6. Step 6: Final answer
    x = 43,536.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.