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Finding the Fourth Proportional to 43,894.48, 65,843.85 and 14,312.27

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Solution

The fourth proportional to 43,894.48, 65,843.85 and 14,312.27 is: 21,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,894.48 : 65,843.85 = 14,312.27 : x
  2. Step 2: Convert to fraction form
    43,894.48/65,843.85 = 14,312.27/x
  3. Step 3: Cross multiply
    43,894.48x = 65,843.85 × 14,312.27
  4. Step 4: Simplify right side
    43,894.48x = 942,374,959.04
  5. Step 5: Solve for x
    x = 942,374,959.04/43,894.48
  6. Step 6: Final answer
    x = 21,469.10

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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.