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Finding the Fourth Proportional to 17,136.59, 25,712.78 and 10,558.58

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Solution

The fourth proportional to 17,136.59, 25,712.78 and 10,558.58 is: 15,842.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,136.59 : 25,712.78 = 10,558.58 : x
  2. Step 2: Convert to fraction form
    17,136.59/25,712.78 = 10,558.58/x
  3. Step 3: Cross multiply
    17,136.59x = 25,712.78 × 10,558.58
  4. Step 4: Simplify right side
    17,136.59x = 271,490,263.30
  5. Step 5: Solve for x
    x = 271,490,263.30/17,136.59
  6. Step 6: Final answer
    x = 15,842.73

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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.