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Finding the Fourth Proportional to 12,243.22, 18,364.95 and 4,849.48

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Solution

The fourth proportional to 12,243.22, 18,364.95 and 4,849.48 is: 7,274.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.22 : 18,364.95 = 4,849.48 : x
  2. Step 2: Convert to fraction form
    12,243.22/18,364.95 = 4,849.48/x
  3. Step 3: Cross multiply
    12,243.22x = 18,364.95 × 4,849.48
  4. Step 4: Simplify right side
    12,243.22x = 89,060,457.73
  5. Step 5: Solve for x
    x = 89,060,457.73/12,243.22
  6. Step 6: Final answer
    x = 7,274.27

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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.