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Finding the Fourth Proportional to 1,773.06, 2,660.20 and 907.14

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Solution

The fourth proportional to 1,773.06, 2,660.20 and 907.14 is: 1,361.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.06 : 2,660.20 = 907.14 : x
  2. Step 2: Convert to fraction form
    1,773.06/2,660.20 = 907.14/x
  3. Step 3: Cross multiply
    1,773.06x = 2,660.20 × 907.14
  4. Step 4: Simplify right side
    1,773.06x = 2,413,173.83
  5. Step 5: Solve for x
    x = 2,413,173.83/1,773.06
  6. Step 6: Final answer
    x = 1,361.02

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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.