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Finding the Fourth Proportional to 43,934.56, 65,901.60 and 10,654.56

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Solution

The fourth proportional to 43,934.56, 65,901.60 and 10,654.56 is: 15,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,934.56 : 65,901.60 = 10,654.56 : x
  2. Step 2: Convert to fraction form
    43,934.56/65,901.60 = 10,654.56/x
  3. Step 3: Cross multiply
    43,934.56x = 65,901.60 × 10,654.56
  4. Step 4: Simplify right side
    43,934.56x = 702,152,551.30
  5. Step 5: Solve for x
    x = 702,152,551.30/43,934.56
  6. Step 6: Final answer
    x = 15,981.78

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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.