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Finding the Fourth Proportional to 17,372.75, 23,973.98 and 9,819.05

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Solution

The fourth proportional to 17,372.75, 23,973.98 and 9,819.05 is: 13,550.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,372.75 : 23,973.98 = 9,819.05 : x
  2. Step 2: Convert to fraction form
    17,372.75/23,973.98 = 9,819.05/x
  3. Step 3: Cross multiply
    17,372.75x = 23,973.98 × 9,819.05
  4. Step 4: Simplify right side
    17,372.75x = 235,401,539.35
  5. Step 5: Solve for x
    x = 235,401,539.35/17,372.75
  6. Step 6: Final answer
    x = 13,550.05

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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.