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Finding the Fourth Proportional to 11,671.88, 17,507.06 and 3,774.23

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Solution

The fourth proportional to 11,671.88, 17,507.06 and 3,774.23 is: 5,661.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.88 : 17,507.06 = 3,774.23 : x
  2. Step 2: Convert to fraction form
    11,671.88/17,507.06 = 3,774.23/x
  3. Step 3: Cross multiply
    11,671.88x = 17,507.06 × 3,774.23
  4. Step 4: Simplify right side
    11,671.88x = 66,075,564.66
  5. Step 5: Solve for x
    x = 66,075,564.66/11,671.88
  6. Step 6: Final answer
    x = 5,661.09

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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.