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Finding the Fourth Proportional to 43,910.66, 65,866.16 and 10,630.68

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Solution

The fourth proportional to 43,910.66, 65,866.16 and 10,630.68 is: 15,946.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,910.66 : 65,866.16 = 10,630.68 : x
  2. Step 2: Convert to fraction form
    43,910.66/65,866.16 = 10,630.68/x
  3. Step 3: Cross multiply
    43,910.66x = 65,866.16 × 10,630.68
  4. Step 4: Simplify right side
    43,910.66x = 700,201,849.37
  5. Step 5: Solve for x
    x = 700,201,849.37/43,910.66
  6. Step 6: Final answer
    x = 15,946.06

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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.