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Finding the Fourth Proportional to 6,662.97, 9,188.95 and 4,302.63

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Solution

The fourth proportional to 6,662.97, 9,188.95 and 4,302.63 is: 5,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.97 : 9,188.95 = 4,302.63 : x
  2. Step 2: Convert to fraction form
    6,662.97/9,188.95 = 4,302.63/x
  3. Step 3: Cross multiply
    6,662.97x = 9,188.95 × 4,302.63
  4. Step 4: Simplify right side
    6,662.97x = 39,536,651.94
  5. Step 5: Solve for x
    x = 39,536,651.94/6,662.97
  6. Step 6: Final answer
    x = 5,933.79

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Double scale
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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.