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Finding the Fourth Proportional to 12,472.99, 18,693.31 and 5,068.85

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Solution

The fourth proportional to 12,472.99, 18,693.31 and 5,068.85 is: 7,596.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.99 : 18,693.31 = 5,068.85 : x
  2. Step 2: Convert to fraction form
    12,472.99/18,693.31 = 5,068.85/x
  3. Step 3: Cross multiply
    12,472.99x = 18,693.31 × 5,068.85
  4. Step 4: Simplify right side
    12,472.99x = 94,753,584.39
  5. Step 5: Solve for x
    x = 94,753,584.39/12,472.99
  6. Step 6: Final answer
    x = 7,596.70

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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.