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Finding the Fourth Proportional to 43,797.21, 65,694.90 and 14,214.99

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Solution

The fourth proportional to 43,797.21, 65,694.90 and 14,214.99 is: 21,322.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,797.21 : 65,694.90 = 14,214.99 : x
  2. Step 2: Convert to fraction form
    43,797.21/65,694.90 = 14,214.99/x
  3. Step 3: Cross multiply
    43,797.21x = 65,694.90 × 14,214.99
  4. Step 4: Simplify right side
    43,797.21x = 933,852,346.55
  5. Step 5: Solve for x
    x = 933,852,346.55/43,797.21
  6. Step 6: Final answer
    x = 21,322.19

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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.