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Finding the Fourth Proportional to 50,446.95, 75,644.14 and 18,831.01

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Solution

The fourth proportional to 50,446.95, 75,644.14 and 18,831.01 is: 28,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,446.95 : 75,644.14 = 18,831.01 : x
  2. Step 2: Convert to fraction form
    50,446.95/75,644.14 = 18,831.01/x
  3. Step 3: Cross multiply
    50,446.95x = 75,644.14 × 18,831.01
  4. Step 4: Simplify right side
    50,446.95x = 1,424,455,556.78
  5. Step 5: Solve for x
    x = 1,424,455,556.78/50,446.95
  6. Step 6: Final answer
    x = 28,236.70

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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.