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Finding the Fourth Proportional to 6,894.52, 10,329.02 and 5,328.99

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Solution

The fourth proportional to 6,894.52, 10,329.02 and 5,328.99 is: 7,983.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,894.52 : 10,329.02 = 5,328.99 : x
  2. Step 2: Convert to fraction form
    6,894.52/10,329.02 = 5,328.99/x
  3. Step 3: Cross multiply
    6,894.52x = 10,329.02 × 5,328.99
  4. Step 4: Simplify right side
    6,894.52x = 55,043,237.63
  5. Step 5: Solve for x
    x = 55,043,237.63/6,894.52
  6. Step 6: Final answer
    x = 7,983.62

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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.