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Finding the Fourth Proportional to 2,062.75, 3,094.93 and 907.69

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Solution

The fourth proportional to 2,062.75, 3,094.93 and 907.69 is: 1,361.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,062.75 : 3,094.93 = 907.69 : x
  2. Step 2: Convert to fraction form
    2,062.75/3,094.93 = 907.69/x
  3. Step 3: Cross multiply
    2,062.75x = 3,094.93 × 907.69
  4. Step 4: Simplify right side
    2,062.75x = 2,809,230.41
  5. Step 5: Solve for x
    x = 2,809,230.41/2,062.75
  6. Step 6: Final answer
    x = 1,361.89

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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.