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Finding the Fourth Proportional to 10,994.63, 16,491.94 and 4,838.63

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Solution

The fourth proportional to 10,994.63, 16,491.94 and 4,838.63 is: 7,257.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.63 : 16,491.94 = 4,838.63 : x
  2. Step 2: Convert to fraction form
    10,994.63/16,491.94 = 4,838.63/x
  3. Step 3: Cross multiply
    10,994.63x = 16,491.94 × 4,838.63
  4. Step 4: Simplify right side
    10,994.63x = 79,798,301.09
  5. Step 5: Solve for x
    x = 79,798,301.09/10,994.63
  6. Step 6: Final answer
    x = 7,257.94

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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.