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Finding the Fourth Proportional to 9,188.64, 13,764.60 and 6,694.92

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Solution

The fourth proportional to 9,188.64, 13,764.60 and 6,694.92 is: 10,029.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.64 : 13,764.60 = 6,694.92 : x
  2. Step 2: Convert to fraction form
    9,188.64/13,764.60 = 6,694.92/x
  3. Step 3: Cross multiply
    9,188.64x = 13,764.60 × 6,694.92
  4. Step 4: Simplify right side
    9,188.64x = 92,152,895.83
  5. Step 5: Solve for x
    x = 92,152,895.83/9,188.64
  6. Step 6: Final answer
    x = 10,029.00

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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.