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Finding the Fourth Proportional to 51,888.24, 77,843.72 and 16,831.44

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Solution

The fourth proportional to 51,888.24, 77,843.72 and 16,831.44 is: 25,250.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,888.24 : 77,843.72 = 16,831.44 : x
  2. Step 2: Convert to fraction form
    51,888.24/77,843.72 = 16,831.44/x
  3. Step 3: Cross multiply
    51,888.24x = 77,843.72 × 16,831.44
  4. Step 4: Simplify right side
    51,888.24x = 1,310,221,902.56
  5. Step 5: Solve for x
    x = 1,310,221,902.56/51,888.24
  6. Step 6: Final answer
    x = 25,250.84

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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.