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Finding the Fourth Proportional to 6,798.93, 10,198.40 and 1,868.60

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Solution

The fourth proportional to 6,798.93, 10,198.40 and 1,868.60 is: 2,802.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,798.93 : 10,198.40 = 1,868.60 : x
  2. Step 2: Convert to fraction form
    6,798.93/10,198.40 = 1,868.60/x
  3. Step 3: Cross multiply
    6,798.93x = 10,198.40 × 1,868.60
  4. Step 4: Simplify right side
    6,798.93x = 19,056,669.91
  5. Step 5: Solve for x
    x = 19,056,669.91/6,798.93
  6. Step 6: Final answer
    x = 2,802.89

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1.5x scale

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.