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Finding the Fourth Proportional to 64,890.24, 89,544.87 and 36,594.24

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Solution

The fourth proportional to 64,890.24, 89,544.87 and 36,594.24 is: 50,497.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,890.24 : 89,544.87 = 36,594.24 : x
  2. Step 2: Convert to fraction form
    64,890.24/89,544.87 = 36,594.24/x
  3. Step 3: Cross multiply
    64,890.24x = 89,544.87 × 36,594.24
  4. Step 4: Simplify right side
    64,890.24x = 3,276,826,463.55
  5. Step 5: Solve for x
    x = 3,276,826,463.55/64,890.24
  6. Step 6: Final answer
    x = 50,497.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.