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Finding the Fourth Proportional to 50,447.33, 75,644.71 and 18,831.39

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Solution

The fourth proportional to 50,447.33, 75,644.71 and 18,831.39 is: 28,237.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,447.33 : 75,644.71 = 18,831.39 : x
  2. Step 2: Convert to fraction form
    50,447.33/75,644.71 = 18,831.39/x
  3. Step 3: Cross multiply
    50,447.33x = 75,644.71 × 18,831.39
  4. Step 4: Simplify right side
    50,447.33x = 1,424,495,035.45
  5. Step 5: Solve for x
    x = 1,424,495,035.45/50,447.33
  6. Step 6: Final answer
    x = 28,237.27

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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.