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Finding the Fourth Proportional to 37,551.09, 51,820.51 and 21,644.77

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Solution

The fourth proportional to 37,551.09, 51,820.51 and 21,644.77 is: 29,869.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,551.09 : 51,820.51 = 21,644.77 : x
  2. Step 2: Convert to fraction form
    37,551.09/51,820.51 = 21,644.77/x
  3. Step 3: Cross multiply
    37,551.09x = 51,820.51 × 21,644.77
  4. Step 4: Simplify right side
    37,551.09x = 1,121,642,974.32
  5. Step 5: Solve for x
    x = 1,121,642,974.32/37,551.09
  6. Step 6: Final answer
    x = 29,869.78

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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.