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Finding the Fourth Proportional to 17,203.55, 25,788.31 and 8,302.46

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Solution

The fourth proportional to 17,203.55, 25,788.31 and 8,302.46 is: 12,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,203.55 : 25,788.31 = 8,302.46 : x
  2. Step 2: Convert to fraction form
    17,203.55/25,788.31 = 8,302.46/x
  3. Step 3: Cross multiply
    17,203.55x = 25,788.31 × 8,302.46
  4. Step 4: Simplify right side
    17,203.55x = 214,106,412.24
  5. Step 5: Solve for x
    x = 214,106,412.24/17,203.55
  6. Step 6: Final answer
    x = 12,445.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.