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Finding the Fourth Proportional to 17,991.58, 24,852.57 and 16,314.88

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Solution

The fourth proportional to 17,991.58, 24,852.57 and 16,314.88 is: 22,536.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,991.58 : 24,852.57 = 16,314.88 : x
  2. Step 2: Convert to fraction form
    17,991.58/24,852.57 = 16,314.88/x
  3. Step 3: Cross multiply
    17,991.58x = 24,852.57 × 16,314.88
  4. Step 4: Simplify right side
    17,991.58x = 405,466,697.24
  5. Step 5: Solve for x
    x = 405,466,697.24/17,991.58
  6. Step 6: Final answer
    x = 22,536.47

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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.