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Finding the Fourth Proportional to 59,647.79, 89,471.52 and 15,274.58

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Solution

The fourth proportional to 59,647.79, 89,471.52 and 15,274.58 is: 22,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,647.79 : 89,471.52 = 15,274.58 : x
  2. Step 2: Convert to fraction form
    59,647.79/89,471.52 = 15,274.58/x
  3. Step 3: Cross multiply
    59,647.79x = 89,471.52 × 15,274.58
  4. Step 4: Simplify right side
    59,647.79x = 1,366,639,442.60
  5. Step 5: Solve for x
    x = 1,366,639,442.60/59,647.79
  6. Step 6: Final answer
    x = 22,911.82

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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.