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Finding the Fourth Proportional to 79,384.98, 119,070.21 and 26,794.92

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Solution

The fourth proportional to 79,384.98, 119,070.21 and 26,794.92 is: 40,189.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,384.98 : 119,070.21 = 26,794.92 : x
  2. Step 2: Convert to fraction form
    79,384.98/119,070.21 = 26,794.92/x
  3. Step 3: Cross multiply
    79,384.98x = 119,070.21 × 26,794.92
  4. Step 4: Simplify right side
    79,384.98x = 3,190,476,751.33
  5. Step 5: Solve for x
    x = 3,190,476,751.33/79,384.98
  6. Step 6: Final answer
    x = 40,189.93

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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.