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Finding the Fourth Proportional to 2,065.16, 3,097.86 and 604.28

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Solution

The fourth proportional to 2,065.16, 3,097.86 and 604.28 is: 906.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.16 : 3,097.86 = 604.28 : x
  2. Step 2: Convert to fraction form
    2,065.16/3,097.86 = 604.28/x
  3. Step 3: Cross multiply
    2,065.16x = 3,097.86 × 604.28
  4. Step 4: Simplify right side
    2,065.16x = 1,871,974.84
  5. Step 5: Solve for x
    x = 1,871,974.84/2,065.16
  6. Step 6: Final answer
    x = 906.46

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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.