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Finding the Fourth Proportional to 31,076.84, 46,629.84 and 15,495.68

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Solution

The fourth proportional to 31,076.84, 46,629.84 and 15,495.68 is: 23,250.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,076.84 : 46,629.84 = 15,495.68 : x
  2. Step 2: Convert to fraction form
    31,076.84/46,629.84 = 15,495.68/x
  3. Step 3: Cross multiply
    31,076.84x = 46,629.84 × 15,495.68
  4. Step 4: Simplify right side
    31,076.84x = 722,561,079.09
  5. Step 5: Solve for x
    x = 722,561,079.09/31,076.84
  6. Step 6: Final answer
    x = 23,250.79

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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.