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Finding the Fourth Proportional to 33,930.66, 50,890.23 and 8,970.98

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Solution

The fourth proportional to 33,930.66, 50,890.23 and 8,970.98 is: 13,454.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,930.66 : 50,890.23 = 8,970.98 : x
  2. Step 2: Convert to fraction form
    33,930.66/50,890.23 = 8,970.98/x
  3. Step 3: Cross multiply
    33,930.66x = 50,890.23 × 8,970.98
  4. Step 4: Simplify right side
    33,930.66x = 456,535,235.53
  5. Step 5: Solve for x
    x = 456,535,235.53/33,930.66
  6. Step 6: Final answer
    x = 13,454.95

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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.