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Finding the Fourth Proportional to 60,557.94, 90,836.94 and 28,960.54

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Solution

The fourth proportional to 60,557.94, 90,836.94 and 28,960.54 is: 43,440.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,557.94 : 90,836.94 = 28,960.54 : x
  2. Step 2: Convert to fraction form
    60,557.94/90,836.94 = 28,960.54/x
  3. Step 3: Cross multiply
    60,557.94x = 90,836.94 × 28,960.54
  4. Step 4: Simplify right side
    60,557.94x = 2,630,686,834.35
  5. Step 5: Solve for x
    x = 2,630,686,834.35/60,557.94
  6. Step 6: Final answer
    x = 43,440.82

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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.