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Finding the Fourth Proportional to 36,223.70, 54,335.55 and 12,847.10

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Solution

The fourth proportional to 36,223.70, 54,335.55 and 12,847.10 is: 19,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,223.70 : 54,335.55 = 12,847.10 : x
  2. Step 2: Convert to fraction form
    36,223.70/54,335.55 = 12,847.10/x
  3. Step 3: Cross multiply
    36,223.70x = 54,335.55 × 12,847.10
  4. Step 4: Simplify right side
    36,223.70x = 698,054,244.41
  5. Step 5: Solve for x
    x = 698,054,244.41/36,223.70
  6. Step 6: Final answer
    x = 19,270.65

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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.