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Finding the Fourth Proportional to 59,359.82, 89,049.45 and 28,184.54

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Solution

The fourth proportional to 59,359.82, 89,049.45 and 28,184.54 is: 42,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,359.82 : 89,049.45 = 28,184.54 : x
  2. Step 2: Convert to fraction form
    59,359.82/89,049.45 = 28,184.54/x
  3. Step 3: Cross multiply
    59,359.82x = 89,049.45 × 28,184.54
  4. Step 4: Simplify right side
    59,359.82x = 2,509,817,785.50
  5. Step 5: Solve for x
    x = 2,509,817,785.50/59,359.82
  6. Step 6: Final answer
    x = 42,281.43

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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.