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Finding the Fourth Proportional to 59,957.48, 89,940.12 and 19,974.77

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Solution

The fourth proportional to 59,957.48, 89,940.12 and 19,974.77 is: 29,963.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,957.48 : 89,940.12 = 19,974.77 : x
  2. Step 2: Convert to fraction form
    59,957.48/89,940.12 = 19,974.77/x
  3. Step 3: Cross multiply
    59,957.48x = 89,940.12 × 19,974.77
  4. Step 4: Simplify right side
    59,957.48x = 1,796,532,761.07
  5. Step 5: Solve for x
    x = 1,796,532,761.07/59,957.48
  6. Step 6: Final answer
    x = 29,963.45

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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.