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Finding the Fourth Proportional to 14,350.50, 19,803.69 and 8,064.09

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Solution

The fourth proportional to 14,350.50, 19,803.69 and 8,064.09 is: 11,128.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,350.50 : 19,803.69 = 8,064.09 : x
  2. Step 2: Convert to fraction form
    14,350.50/19,803.69 = 8,064.09/x
  3. Step 3: Cross multiply
    14,350.50x = 19,803.69 × 8,064.09
  4. Step 4: Simplify right side
    14,350.50x = 159,698,738.49
  5. Step 5: Solve for x
    x = 159,698,738.49/14,350.50
  6. Step 6: Final answer
    x = 11,128.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.