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Finding the Fourth Proportional to 79,284.54, 118,843.56 and 26,675.76

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Solution

The fourth proportional to 79,284.54, 118,843.56 and 26,675.76 is: 39,985.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,284.54 : 118,843.56 = 26,675.76 : x
  2. Step 2: Convert to fraction form
    79,284.54/118,843.56 = 26,675.76/x
  3. Step 3: Cross multiply
    79,284.54x = 118,843.56 × 26,675.76
  4. Step 4: Simplify right side
    79,284.54x = 3,170,242,284.11
  5. Step 5: Solve for x
    x = 3,170,242,284.11/79,284.54
  6. Step 6: Final answer
    x = 39,985.63

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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.