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Finding the Fourth Proportional to 19,408.60, 29,125.70 and 7,096.60

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Solution

The fourth proportional to 19,408.60, 29,125.70 and 7,096.60 is: 10,649.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408.60 : 29,125.70 = 7,096.60 : x
  2. Step 2: Convert to fraction form
    19,408.60/29,125.70 = 7,096.60/x
  3. Step 3: Cross multiply
    19,408.60x = 29,125.70 × 7,096.60
  4. Step 4: Simplify right side
    19,408.60x = 206,693,442.62
  5. Step 5: Solve for x
    x = 206,693,442.62/19,408.60
  6. Step 6: Final answer
    x = 10,649.58

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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.