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Finding the Fourth Proportional to 23,791.60, 32,821.41 and 16,722.10

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Solution

The fourth proportional to 23,791.60, 32,821.41 and 16,722.10 is: 23,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,791.60 : 32,821.41 = 16,722.10 : x
  2. Step 2: Convert to fraction form
    23,791.60/32,821.41 = 16,722.10/x
  3. Step 3: Cross multiply
    23,791.60x = 32,821.41 × 16,722.10
  4. Step 4: Simplify right side
    23,791.60x = 548,842,900.16
  5. Step 5: Solve for x
    x = 548,842,900.16/23,791.60
  6. Step 6: Final answer
    x = 23,068.77

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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.