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Finding the Fourth Proportional to 13,862.54, 20,797.09 and 4,502.59

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Solution

The fourth proportional to 13,862.54, 20,797.09 and 4,502.59 is: 6,754.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.54 : 20,797.09 = 4,502.59 : x
  2. Step 2: Convert to fraction form
    13,862.54/20,797.09 = 4,502.59/x
  3. Step 3: Cross multiply
    13,862.54x = 20,797.09 × 4,502.59
  4. Step 4: Simplify right side
    13,862.54x = 93,640,706.21
  5. Step 5: Solve for x
    x = 93,640,706.21/13,862.54
  6. Step 6: Final answer
    x = 6,754.94

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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.