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Finding the Fourth Proportional to 36,223.80, 54,345.30 and 12,847.80

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Solution

The fourth proportional to 36,223.80, 54,345.30 and 12,847.80 is: 19,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,223.80 : 54,345.30 = 12,847.80 : x
  2. Step 2: Convert to fraction form
    36,223.80/54,345.30 = 12,847.80/x
  3. Step 3: Cross multiply
    36,223.80x = 54,345.30 × 12,847.80
  4. Step 4: Simplify right side
    36,223.80x = 698,217,545.34
  5. Step 5: Solve for x
    x = 698,217,545.34/36,223.80
  6. Step 6: Final answer
    x = 19,275.10

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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.