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Finding the Fourth Proportional to 79,009.75, 118,514.63 and 23,605.75

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Solution

The fourth proportional to 79,009.75, 118,514.63 and 23,605.75 is: 35,408.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,009.75 : 118,514.63 = 23,605.75 : x
  2. Step 2: Convert to fraction form
    79,009.75/118,514.63 = 23,605.75/x
  3. Step 3: Cross multiply
    79,009.75x = 118,514.63 × 23,605.75
  4. Step 4: Simplify right side
    79,009.75x = 2,797,626,727.12
  5. Step 5: Solve for x
    x = 2,797,626,727.12/79,009.75
  6. Step 6: Final answer
    x = 35,408.63

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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.