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Finding the Fourth Proportional to 43,856.70, 65,736.45 and 24,149.40

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Solution

The fourth proportional to 43,856.70, 65,736.45 and 24,149.40 is: 36,197.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,856.70 : 65,736.45 = 24,149.40 : x
  2. Step 2: Convert to fraction form
    43,856.70/65,736.45 = 24,149.40/x
  3. Step 3: Cross multiply
    43,856.70x = 65,736.45 × 24,149.40
  4. Step 4: Simplify right side
    43,856.70x = 1,587,495,825.63
  5. Step 5: Solve for x
    x = 1,587,495,825.63/43,856.70
  6. Step 6: Final answer
    x = 36,197.34

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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.