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Finding the Fourth Proportional to 10,927.95, 16,391.93 and 2,719.95

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Solution

The fourth proportional to 10,927.95, 16,391.93 and 2,719.95 is: 4,079.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.95 : 16,391.93 = 2,719.95 : x
  2. Step 2: Convert to fraction form
    10,927.95/16,391.93 = 2,719.95/x
  3. Step 3: Cross multiply
    10,927.95x = 16,391.93 × 2,719.95
  4. Step 4: Simplify right side
    10,927.95x = 44,585,230.00
  5. Step 5: Solve for x
    x = 44,585,230.00/10,927.95
  6. Step 6: Final answer
    x = 4,079.93

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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.