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Finding the Fourth Proportional to 2,066.06, 3,099.08 and 970.41

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Solution

The fourth proportional to 2,066.06, 3,099.08 and 970.41 is: 1,455.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.06 : 3,099.08 = 970.41 : x
  2. Step 2: Convert to fraction form
    2,066.06/3,099.08 = 970.41/x
  3. Step 3: Cross multiply
    2,066.06x = 3,099.08 × 970.41
  4. Step 4: Simplify right side
    2,066.06x = 3,007,373.37
  5. Step 5: Solve for x
    x = 3,007,373.37/2,066.06
  6. Step 6: Final answer
    x = 1,455.61

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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.