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Finding the Fourth Proportional to 24,487.54, 36,719.07 and 11,328.64

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Solution

The fourth proportional to 24,487.54, 36,719.07 and 11,328.64 is: 16,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,487.54 : 36,719.07 = 11,328.64 : x
  2. Step 2: Convert to fraction form
    24,487.54/36,719.07 = 11,328.64/x
  3. Step 3: Cross multiply
    24,487.54x = 36,719.07 × 11,328.64
  4. Step 4: Simplify right side
    24,487.54x = 415,977,259.44
  5. Step 5: Solve for x
    x = 415,977,259.44/24,487.54
  6. Step 6: Final answer
    x = 16,987.30

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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.