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Finding the Fourth Proportional to 12,323.75, 17,006.78 and 6,734.75

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Solution

The fourth proportional to 12,323.75, 17,006.78 and 6,734.75 is: 9,293.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,323.75 : 17,006.78 = 6,734.75 : x
  2. Step 2: Convert to fraction form
    12,323.75/17,006.78 = 6,734.75/x
  3. Step 3: Cross multiply
    12,323.75x = 17,006.78 × 6,734.75
  4. Step 4: Simplify right side
    12,323.75x = 114,536,411.61
  5. Step 5: Solve for x
    x = 114,536,411.61/12,323.75
  6. Step 6: Final answer
    x = 9,293.96

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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.