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Finding the Fourth Proportional to 43,474.17, 65,223.60 and 13,894.32

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Solution

The fourth proportional to 43,474.17, 65,223.60 and 13,894.32 is: 20,845.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,474.17 : 65,223.60 = 13,894.32 : x
  2. Step 2: Convert to fraction form
    43,474.17/65,223.60 = 13,894.32/x
  3. Step 3: Cross multiply
    43,474.17x = 65,223.60 × 13,894.32
  4. Step 4: Simplify right side
    43,474.17x = 906,237,569.95
  5. Step 5: Solve for x
    x = 906,237,569.95/43,474.17
  6. Step 6: Final answer
    x = 20,845.43

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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.