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Finding the Fourth Proportional to 8,336.52, 12,489.12 and 5,554.98

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Solution

The fourth proportional to 8,336.52, 12,489.12 and 5,554.98 is: 8,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.52 : 12,489.12 = 5,554.98 : x
  2. Step 2: Convert to fraction form
    8,336.52/12,489.12 = 5,554.98/x
  3. Step 3: Cross multiply
    8,336.52x = 12,489.12 × 5,554.98
  4. Step 4: Simplify right side
    8,336.52x = 69,376,811.82
  5. Step 5: Solve for x
    x = 69,376,811.82/8,336.52
  6. Step 6: Final answer
    x = 8,322.04

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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.