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Finding the Fourth Proportional to 36,295.88, 54,451.52 and 12,922.25

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Solution

The fourth proportional to 36,295.88, 54,451.52 and 12,922.25 is: 19,386.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,295.88 : 54,451.52 = 12,922.25 : x
  2. Step 2: Convert to fraction form
    36,295.88/54,451.52 = 12,922.25/x
  3. Step 3: Cross multiply
    36,295.88x = 54,451.52 × 12,922.25
  4. Step 4: Simplify right side
    36,295.88x = 703,636,089.71
  5. Step 5: Solve for x
    x = 703,636,089.71/36,295.88
  6. Step 6: Final answer
    x = 19,386.11

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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.