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Finding the Fourth Proportional to 43,448.04, 65,180.88 and 13,865.04

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Solution

The fourth proportional to 43,448.04, 65,180.88 and 13,865.04 is: 20,800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,448.04 : 65,180.88 = 13,865.04 : x
  2. Step 2: Convert to fraction form
    43,448.04/65,180.88 = 13,865.04/x
  3. Step 3: Cross multiply
    43,448.04x = 65,180.88 × 13,865.04
  4. Step 4: Simplify right side
    43,448.04x = 903,735,508.44
  5. Step 5: Solve for x
    x = 903,735,508.44/43,448.04
  6. Step 6: Final answer
    x = 20,800.37

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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.