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Finding the Fourth Proportional to 59,805.63, 89,716.64 and 17,689.02

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Solution

The fourth proportional to 59,805.63, 89,716.64 and 17,689.02 is: 26,535.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,805.63 : 89,716.64 = 17,689.02 : x
  2. Step 2: Convert to fraction form
    59,805.63/89,716.64 = 17,689.02/x
  3. Step 3: Cross multiply
    59,805.63x = 89,716.64 × 17,689.02
  4. Step 4: Simplify right side
    59,805.63x = 1,586,999,350.85
  5. Step 5: Solve for x
    x = 1,586,999,350.85/59,805.63
  6. Step 6: Final answer
    x = 26,535.95

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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.