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Finding the Fourth Proportional to 48,671.98, 73,007.96 and 13,611.63

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Solution

The fourth proportional to 48,671.98, 73,007.96 and 13,611.63 is: 20,417.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,671.98 : 73,007.96 = 13,611.63 : x
  2. Step 2: Convert to fraction form
    48,671.98/73,007.96 = 13,611.63/x
  3. Step 3: Cross multiply
    48,671.98x = 73,007.96 × 13,611.63
  4. Step 4: Simplify right side
    48,671.98x = 993,757,338.57
  5. Step 5: Solve for x
    x = 993,757,338.57/48,671.98
  6. Step 6: Final answer
    x = 20,417.44

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1.5x scale

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.