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Finding the Fourth Proportional to 20,495.95, 30,733.42 and 9,392.99

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Solution

The fourth proportional to 20,495.95, 30,733.42 and 9,392.99 is: 14,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,495.95 : 30,733.42 = 9,392.99 : x
  2. Step 2: Convert to fraction form
    20,495.95/30,733.42 = 9,392.99/x
  3. Step 3: Cross multiply
    20,495.95x = 30,733.42 × 9,392.99
  4. Step 4: Simplify right side
    20,495.95x = 288,678,791.79
  5. Step 5: Solve for x
    x = 288,678,791.79/20,495.95
  6. Step 6: Final answer
    x = 14,084.68

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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.