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Finding the Fourth Proportional to 43,967.70, 65,950.96 and 10,687.66

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Solution

The fourth proportional to 43,967.70, 65,950.96 and 10,687.66 is: 16,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,967.70 : 65,950.96 = 10,687.66 : x
  2. Step 2: Convert to fraction form
    43,967.70/65,950.96 = 10,687.66/x
  3. Step 3: Cross multiply
    43,967.70x = 65,950.96 × 10,687.66
  4. Step 4: Simplify right side
    43,967.70x = 704,861,437.15
  5. Step 5: Solve for x
    x = 704,861,437.15/43,967.70
  6. Step 6: Final answer
    x = 16,031.35

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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.