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Finding the Fourth Proportional to 43,586.60, 65,380.54 and 10,754.60

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Solution

The fourth proportional to 43,586.60, 65,380.54 and 10,754.60 is: 16,132.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,586.60 : 65,380.54 = 10,754.60 : x
  2. Step 2: Convert to fraction form
    43,586.60/65,380.54 = 10,754.60/x
  3. Step 3: Cross multiply
    43,586.60x = 65,380.54 × 10,754.60
  4. Step 4: Simplify right side
    43,586.60x = 703,141,555.48
  5. Step 5: Solve for x
    x = 703,141,555.48/43,586.60
  6. Step 6: Final answer
    x = 16,132.06

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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.