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Finding the Fourth Proportional to 23,203.60, 32,020.60 and 12,593.20

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Solution

The fourth proportional to 23,203.60, 32,020.60 and 12,593.20 is: 17,378.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,203.60 : 32,020.60 = 12,593.20 : x
  2. Step 2: Convert to fraction form
    23,203.60/32,020.60 = 12,593.20/x
  3. Step 3: Cross multiply
    23,203.60x = 32,020.60 × 12,593.20
  4. Step 4: Simplify right side
    23,203.60x = 403,241,819.92
  5. Step 5: Solve for x
    x = 403,241,819.92/23,203.60
  6. Step 6: Final answer
    x = 17,378.42

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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.