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Finding the Fourth Proportional to 14,033.16, 21,049.22 and 3,503.16

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Solution

The fourth proportional to 14,033.16, 21,049.22 and 3,503.16 is: 5,254.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,033.16 : 21,049.22 = 3,503.16 : x
  2. Step 2: Convert to fraction form
    14,033.16/21,049.22 = 3,503.16/x
  3. Step 3: Cross multiply
    14,033.16x = 21,049.22 × 3,503.16
  4. Step 4: Simplify right side
    14,033.16x = 73,738,785.54
  5. Step 5: Solve for x
    x = 73,738,785.54/14,033.16
  6. Step 6: Final answer
    x = 5,254.61

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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.