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Finding the Fourth Proportional to 43,494.76, 65,241.87 and 12,330.01

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Solution

The fourth proportional to 43,494.76, 65,241.87 and 12,330.01 is: 18,494.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,494.76 : 65,241.87 = 12,330.01 : x
  2. Step 2: Convert to fraction form
    43,494.76/65,241.87 = 12,330.01/x
  3. Step 3: Cross multiply
    43,494.76x = 65,241.87 × 12,330.01
  4. Step 4: Simplify right side
    43,494.76x = 804,432,909.52
  5. Step 5: Solve for x
    x = 804,432,909.52/43,494.76
  6. Step 6: Final answer
    x = 18,494.94

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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.