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Finding the Fourth Proportional to 43,199.53, 64,789.58 and 15,497.53

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Solution

The fourth proportional to 43,199.53, 64,789.58 and 15,497.53 is: 23,242.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,199.53 : 64,789.58 = 15,497.53 : x
  2. Step 2: Convert to fraction form
    43,199.53/64,789.58 = 15,497.53/x
  3. Step 3: Cross multiply
    43,199.53x = 64,789.58 × 15,497.53
  4. Step 4: Simplify right side
    43,199.53x = 1,004,078,459.74
  5. Step 5: Solve for x
    x = 1,004,078,459.74/43,199.53
  6. Step 6: Final answer
    x = 23,242.81

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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.