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Finding the Fourth Proportional to 44,614.81, 66,932.11 and 13,447.81

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Solution

The fourth proportional to 44,614.81, 66,932.11 and 13,447.81 is: 20,174.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,614.81 : 66,932.11 = 13,447.81 : x
  2. Step 2: Convert to fraction form
    44,614.81/66,932.11 = 13,447.81/x
  3. Step 3: Cross multiply
    44,614.81x = 66,932.11 × 13,447.81
  4. Step 4: Simplify right side
    44,614.81x = 900,089,963.52
  5. Step 5: Solve for x
    x = 900,089,963.52/44,614.81
  6. Step 6: Final answer
    x = 20,174.69

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1.5x scale

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.