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Finding the Fourth Proportional to 6,696.95, 10,051.70 and 3,412.40

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Solution

The fourth proportional to 6,696.95, 10,051.70 and 3,412.40 is: 5,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,696.95 : 10,051.70 = 3,412.40 : x
  2. Step 2: Convert to fraction form
    6,696.95/10,051.70 = 3,412.40/x
  3. Step 3: Cross multiply
    6,696.95x = 10,051.70 × 3,412.40
  4. Step 4: Simplify right side
    6,696.95x = 34,300,353.76
  5. Step 5: Solve for x
    x = 34,300,353.76/6,696.95
  6. Step 6: Final answer
    x = 5,121.79

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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.