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Finding the Fourth Proportional to 35,879.80, 53,819.70 and 22,757.80

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Solution

The fourth proportional to 35,879.80, 53,819.70 and 22,757.80 is: 34,136.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,879.80 : 53,819.70 = 22,757.80 : x
  2. Step 2: Convert to fraction form
    35,879.80/53,819.70 = 22,757.80/x
  3. Step 3: Cross multiply
    35,879.80x = 53,819.70 × 22,757.80
  4. Step 4: Simplify right side
    35,879.80x = 1,224,817,968.66
  5. Step 5: Solve for x
    x = 1,224,817,968.66/35,879.80
  6. Step 6: Final answer
    x = 34,136.70

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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.