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Finding the Fourth Proportional to 11,193.62, 16,798.03 and 4,619.77

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Solution

The fourth proportional to 11,193.62, 16,798.03 and 4,619.77 is: 6,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.62 : 16,798.03 = 4,619.77 : x
  2. Step 2: Convert to fraction form
    11,193.62/16,798.03 = 4,619.77/x
  3. Step 3: Cross multiply
    11,193.62x = 16,798.03 × 4,619.77
  4. Step 4: Simplify right side
    11,193.62x = 77,602,981.51
  5. Step 5: Solve for x
    x = 77,602,981.51/11,193.62
  6. Step 6: Final answer
    x = 6,932.79

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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.