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Finding the Fourth Proportional to 59,935.30, 89,920.84 and 17,816.78

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Solution

The fourth proportional to 59,935.30, 89,920.84 and 17,816.78 is: 26,730.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,935.30 : 89,920.84 = 17,816.78 : x
  2. Step 2: Convert to fraction form
    59,935.30/89,920.84 = 17,816.78/x
  3. Step 3: Cross multiply
    59,935.30x = 89,920.84 × 17,816.78
  4. Step 4: Simplify right side
    59,935.30x = 1,602,099,959.41
  5. Step 5: Solve for x
    x = 1,602,099,959.41/59,935.30
  6. Step 6: Final answer
    x = 26,730.49

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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.