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Finding the Fourth Proportional to 6,178.82, 8,525.93 and 3,489.93

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Solution

The fourth proportional to 6,178.82, 8,525.93 and 3,489.93 is: 4,815.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,178.82 : 8,525.93 = 3,489.93 : x
  2. Step 2: Convert to fraction form
    6,178.82/8,525.93 = 3,489.93/x
  3. Step 3: Cross multiply
    6,178.82x = 8,525.93 × 3,489.93
  4. Step 4: Simplify right side
    6,178.82x = 29,754,881.44
  5. Step 5: Solve for x
    x = 29,754,881.44/6,178.82
  6. Step 6: Final answer
    x = 4,815.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.