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Finding the Fourth Proportional to 19,496.61, 29,230 and 16,154.60

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Solution

The fourth proportional to 19,496.61, 29,230 and 16,154.60 is: 24,219.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,496.61 : 29,230 = 16,154.60 : x
  2. Step 2: Convert to fraction form
    19,496.61/29,230 = 16,154.60/x
  3. Step 3: Cross multiply
    19,496.61x = 29,230 × 16,154.60
  4. Step 4: Simplify right side
    19,496.61x = 472,198,958
  5. Step 5: Solve for x
    x = 472,198,958/19,496.61
  6. Step 6: Final answer
    x = 24,219.54

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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.