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Finding the Fourth Proportional to 6,798.72, 10,200.60 and 3,104.40

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Solution

The fourth proportional to 6,798.72, 10,200.60 and 3,104.40 is: 4,657.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,798.72 : 10,200.60 = 3,104.40 : x
  2. Step 2: Convert to fraction form
    6,798.72/10,200.60 = 3,104.40/x
  3. Step 3: Cross multiply
    6,798.72x = 10,200.60 × 3,104.40
  4. Step 4: Simplify right side
    6,798.72x = 31,666,742.64
  5. Step 5: Solve for x
    x = 31,666,742.64/6,798.72
  6. Step 6: Final answer
    x = 4,657.75

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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.