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Finding the Fourth Proportional to 16,842.62, 25,262.48 and 5,749.58

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Solution

The fourth proportional to 16,842.62, 25,262.48 and 5,749.58 is: 8,623.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,842.62 : 25,262.48 = 5,749.58 : x
  2. Step 2: Convert to fraction form
    16,842.62/25,262.48 = 5,749.58/x
  3. Step 3: Cross multiply
    16,842.62x = 25,262.48 × 5,749.58
  4. Step 4: Simplify right side
    16,842.62x = 145,248,649.76
  5. Step 5: Solve for x
    x = 145,248,649.76/16,842.62
  6. Step 6: Final answer
    x = 8,623.88

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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.