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Finding the Fourth Proportional to 8,053.63, 12,074.97 and 3,890.13

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Solution

The fourth proportional to 8,053.63, 12,074.97 and 3,890.13 is: 5,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.63 : 12,074.97 = 3,890.13 : x
  2. Step 2: Convert to fraction form
    8,053.63/12,074.97 = 3,890.13/x
  3. Step 3: Cross multiply
    8,053.63x = 12,074.97 × 3,890.13
  4. Step 4: Simplify right side
    8,053.63x = 46,973,172.35
  5. Step 5: Solve for x
    x = 46,973,172.35/8,053.63
  6. Step 6: Final answer
    x = 5,832.55

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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.