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Finding the Fourth Proportional to 37,674.74, 51,995.74 and 21,759.17

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Solution

The fourth proportional to 37,674.74, 51,995.74 and 21,759.17 is: 30,030.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,674.74 : 51,995.74 = 21,759.17 : x
  2. Step 2: Convert to fraction form
    37,674.74/51,995.74 = 21,759.17/x
  3. Step 3: Cross multiply
    37,674.74x = 51,995.74 × 21,759.17
  4. Step 4: Simplify right side
    37,674.74x = 1,131,383,831.56
  5. Step 5: Solve for x
    x = 1,131,383,831.56/37,674.74
  6. Step 6: Final answer
    x = 30,030.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.