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Finding the Fourth Proportional to 43,471.84, 65,220.24 and 13,894.24

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Solution

The fourth proportional to 43,471.84, 65,220.24 and 13,894.24 is: 20,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,471.84 : 65,220.24 = 13,894.24 : x
  2. Step 2: Convert to fraction form
    43,471.84/65,220.24 = 13,894.24/x
  3. Step 3: Cross multiply
    43,471.84x = 65,220.24 × 13,894.24
  4. Step 4: Simplify right side
    43,471.84x = 906,185,667.42
  5. Step 5: Solve for x
    x = 906,185,667.42/43,471.84
  6. Step 6: Final answer
    x = 20,845.35

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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.