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Finding the Fourth Proportional to 39,482.54, 54,481.13 and 22,486.82

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Solution

The fourth proportional to 39,482.54, 54,481.13 and 22,486.82 is: 31,029.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,482.54 : 54,481.13 = 22,486.82 : x
  2. Step 2: Convert to fraction form
    39,482.54/54,481.13 = 22,486.82/x
  3. Step 3: Cross multiply
    39,482.54x = 54,481.13 × 22,486.82
  4. Step 4: Simplify right side
    39,482.54x = 1,225,106,978.87
  5. Step 5: Solve for x
    x = 1,225,106,978.87/39,482.54
  6. Step 6: Final answer
    x = 31,029.09

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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.