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Finding the Fourth Proportional to 43,171.84, 64,752.09 and 16,895.17

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Solution

The fourth proportional to 43,171.84, 64,752.09 and 16,895.17 is: 25,340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,171.84 : 64,752.09 = 16,895.17 : x
  2. Step 2: Convert to fraction form
    43,171.84/64,752.09 = 16,895.17/x
  3. Step 3: Cross multiply
    43,171.84x = 64,752.09 × 16,895.17
  4. Step 4: Simplify right side
    43,171.84x = 1,093,997,568.41
  5. Step 5: Solve for x
    x = 1,093,997,568.41/43,171.84
  6. Step 6: Final answer
    x = 25,340.54

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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.