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Finding the Fourth Proportional to 6,696.56, 10,045.80 and 2,800.08

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Solution

The fourth proportional to 6,696.56, 10,045.80 and 2,800.08 is: 4,200.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,696.56 : 10,045.80 = 2,800.08 : x
  2. Step 2: Convert to fraction form
    6,696.56/10,045.80 = 2,800.08/x
  3. Step 3: Cross multiply
    6,696.56x = 10,045.80 × 2,800.08
  4. Step 4: Simplify right side
    6,696.56x = 28,129,043.66
  5. Step 5: Solve for x
    x = 28,129,043.66/6,696.56
  6. Step 6: Final answer
    x = 4,200.52

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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.