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Finding the Fourth Proportional to 8,754.66, 13,122.84 and 6,556.71

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Solution

The fourth proportional to 8,754.66, 13,122.84 and 6,556.71 is: 9,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.66 : 13,122.84 = 6,556.71 : x
  2. Step 2: Convert to fraction form
    8,754.66/13,122.84 = 6,556.71/x
  3. Step 3: Cross multiply
    8,754.66x = 13,122.84 × 6,556.71
  4. Step 4: Simplify right side
    8,754.66x = 86,042,656.26
  5. Step 5: Solve for x
    x = 86,042,656.26/8,754.66
  6. Step 6: Final answer
    x = 9,828.21

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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.