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Finding the Fourth Proportional to 38,696.46, 58,045.76 and 10,994.46

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Solution

The fourth proportional to 38,696.46, 58,045.76 and 10,994.46 is: 16,491.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,696.46 : 58,045.76 = 10,994.46 : x
  2. Step 2: Convert to fraction form
    38,696.46/58,045.76 = 10,994.46/x
  3. Step 3: Cross multiply
    38,696.46x = 58,045.76 × 10,994.46
  4. Step 4: Simplify right side
    38,696.46x = 638,181,786.49
  5. Step 5: Solve for x
    x = 638,181,786.49/38,696.46
  6. Step 6: Final answer
    x = 16,491.99

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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.