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Finding the Fourth Proportional to 33,775.88, 46,610.70 and 18,871.88

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Solution

The fourth proportional to 33,775.88, 46,610.70 and 18,871.88 is: 26,043.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,775.88 : 46,610.70 = 18,871.88 : x
  2. Step 2: Convert to fraction form
    33,775.88/46,610.70 = 18,871.88/x
  3. Step 3: Cross multiply
    33,775.88x = 46,610.70 × 18,871.88
  4. Step 4: Simplify right side
    33,775.88x = 879,631,537.12
  5. Step 5: Solve for x
    x = 879,631,537.12/33,775.88
  6. Step 6: Final answer
    x = 26,043.19

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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.