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Finding the Fourth Proportional to 33,237.32, 49,855.34 and 8,612.68

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Solution

The fourth proportional to 33,237.32, 49,855.34 and 8,612.68 is: 12,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,237.32 : 49,855.34 = 8,612.68 : x
  2. Step 2: Convert to fraction form
    33,237.32/49,855.34 = 8,612.68/x
  3. Step 3: Cross multiply
    33,237.32x = 49,855.34 × 8,612.68
  4. Step 4: Simplify right side
    33,237.32x = 429,388,089.71
  5. Step 5: Solve for x
    x = 429,388,089.71/33,237.32
  6. Step 6: Final answer
    x = 12,918.85

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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.