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Finding the Fourth Proportional to 6,995.79, 10,492.78 and 2,065.95

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Solution

The fourth proportional to 6,995.79, 10,492.78 and 2,065.95 is: 3,098.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.79 : 10,492.78 = 2,065.95 : x
  2. Step 2: Convert to fraction form
    6,995.79/10,492.78 = 2,065.95/x
  3. Step 3: Cross multiply
    6,995.79x = 10,492.78 × 2,065.95
  4. Step 4: Simplify right side
    6,995.79x = 21,677,558.84
  5. Step 5: Solve for x
    x = 21,677,558.84/6,995.79
  6. Step 6: Final answer
    x = 3,098.66

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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.