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Finding the Fourth Proportional to 29,809.52, 44,723.64 and 12,287.60

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Solution

The fourth proportional to 29,809.52, 44,723.64 and 12,287.60 is: 18,435.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,809.52 : 44,723.64 = 12,287.60 : x
  2. Step 2: Convert to fraction form
    29,809.52/44,723.64 = 12,287.60/x
  3. Step 3: Cross multiply
    29,809.52x = 44,723.64 × 12,287.60
  4. Step 4: Simplify right side
    29,809.52x = 549,546,198.86
  5. Step 5: Solve for x
    x = 549,546,198.86/29,809.52
  6. Step 6: Final answer
    x = 18,435.26

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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.