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Finding the Fourth Proportional to 6,602.74, 9,899.40 and 3,090.83

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Solution

The fourth proportional to 6,602.74, 9,899.40 and 3,090.83 is: 4,634.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.74 : 9,899.40 = 3,090.83 : x
  2. Step 2: Convert to fraction form
    6,602.74/9,899.40 = 3,090.83/x
  3. Step 3: Cross multiply
    6,602.74x = 9,899.40 × 3,090.83
  4. Step 4: Simplify right side
    6,602.74x = 30,597,362.50
  5. Step 5: Solve for x
    x = 30,597,362.50/6,602.74
  6. Step 6: Final answer
    x = 4,634.04

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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.