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Finding the Fourth Proportional to 56,846.52, 85,282.11 and 21,786.21

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Solution

The fourth proportional to 56,846.52, 85,282.11 and 21,786.21 is: 32,684.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,846.52 : 85,282.11 = 21,786.21 : x
  2. Step 2: Convert to fraction form
    56,846.52/85,282.11 = 21,786.21/x
  3. Step 3: Cross multiply
    56,846.52x = 85,282.11 × 21,786.21
  4. Step 4: Simplify right side
    56,846.52x = 1,857,973,957.70
  5. Step 5: Solve for x
    x = 1,857,973,957.70/56,846.52
  6. Step 6: Final answer
    x = 32,684.04

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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.