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Finding the Fourth Proportional to 33,537.78, 46,281.78 and 19,390.32

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Solution

The fourth proportional to 33,537.78, 46,281.78 and 19,390.32 is: 26,758.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,537.78 : 46,281.78 = 19,390.32 : x
  2. Step 2: Convert to fraction form
    33,537.78/46,281.78 = 19,390.32/x
  3. Step 3: Cross multiply
    33,537.78x = 46,281.78 × 19,390.32
  4. Step 4: Simplify right side
    33,537.78x = 897,418,524.37
  5. Step 5: Solve for x
    x = 897,418,524.37/33,537.78
  6. Step 6: Final answer
    x = 26,758.44

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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.