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Finding the Fourth Proportional to 32,936.20, 49,404.30 and 8,312.20

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Solution

The fourth proportional to 32,936.20, 49,404.30 and 8,312.20 is: 12,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,936.20 : 49,404.30 = 8,312.20 : x
  2. Step 2: Convert to fraction form
    32,936.20/49,404.30 = 8,312.20/x
  3. Step 3: Cross multiply
    32,936.20x = 49,404.30 × 8,312.20
  4. Step 4: Simplify right side
    32,936.20x = 410,658,422.46
  5. Step 5: Solve for x
    x = 410,658,422.46/32,936.20
  6. Step 6: Final answer
    x = 12,468.30

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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.