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Finding the Fourth Proportional to 60,772.63, 91,158.95 and 16,399.38

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Solution

The fourth proportional to 60,772.63, 91,158.95 and 16,399.38 is: 24,599.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,772.63 : 91,158.95 = 16,399.38 : x
  2. Step 2: Convert to fraction form
    60,772.63/91,158.95 = 16,399.38/x
  3. Step 3: Cross multiply
    60,772.63x = 91,158.95 × 16,399.38
  4. Step 4: Simplify right side
    60,772.63x = 1,494,950,261.45
  5. Step 5: Solve for x
    x = 1,494,950,261.45/60,772.63
  6. Step 6: Final answer
    x = 24,599.07

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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.