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Finding the Fourth Proportional to 35,801.67, 49,407.09 and 19,669.19

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Solution

The fourth proportional to 35,801.67, 49,407.09 and 19,669.19 is: 27,143.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,801.67 : 49,407.09 = 19,669.19 : x
  2. Step 2: Convert to fraction form
    35,801.67/49,407.09 = 19,669.19/x
  3. Step 3: Cross multiply
    35,801.67x = 49,407.09 × 19,669.19
  4. Step 4: Simplify right side
    35,801.67x = 971,797,440.56
  5. Step 5: Solve for x
    x = 971,797,440.56/35,801.67
  6. Step 6: Final answer
    x = 27,143.91

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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.