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Finding the Fourth Proportional to 16,943.71, 23,385.07 and 16,196.25

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Solution

The fourth proportional to 16,943.71, 23,385.07 and 16,196.25 is: 22,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.71 : 23,385.07 = 16,196.25 : x
  2. Step 2: Convert to fraction form
    16,943.71/23,385.07 = 16,196.25/x
  3. Step 3: Cross multiply
    16,943.71x = 23,385.07 × 16,196.25
  4. Step 4: Simplify right side
    16,943.71x = 378,750,479.60
  5. Step 5: Solve for x
    x = 378,750,479.60/16,943.71
  6. Step 6: Final answer
    x = 22,353.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.