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Finding the Fourth Proportional to 7,853.33, 10,827.06 and 6,729.41

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Solution

The fourth proportional to 7,853.33, 10,827.06 and 6,729.41 is: 9,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.33 : 10,827.06 = 6,729.41 : x
  2. Step 2: Convert to fraction form
    7,853.33/10,827.06 = 6,729.41/x
  3. Step 3: Cross multiply
    7,853.33x = 10,827.06 × 6,729.41
  4. Step 4: Simplify right side
    7,853.33x = 72,859,725.83
  5. Step 5: Solve for x
    x = 72,859,725.83/7,853.33
  6. Step 6: Final answer
    x = 9,277.56

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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.