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Finding the Fourth Proportional to 11,223.27, 16,840.98 and 4,653.99

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Solution

The fourth proportional to 11,223.27, 16,840.98 and 4,653.99 is: 6,983.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.27 : 16,840.98 = 4,653.99 : x
  2. Step 2: Convert to fraction form
    11,223.27/16,840.98 = 4,653.99/x
  3. Step 3: Cross multiply
    11,223.27x = 16,840.98 × 4,653.99
  4. Step 4: Simplify right side
    11,223.27x = 78,377,752.51
  5. Step 5: Solve for x
    x = 78,377,752.51/11,223.27
  6. Step 6: Final answer
    x = 6,983.50

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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.