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Finding the Fourth Proportional to 7,603.66, 11,395.16 and 2,919.34

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Solution

The fourth proportional to 7,603.66, 11,395.16 and 2,919.34 is: 4,375.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.66 : 11,395.16 = 2,919.34 : x
  2. Step 2: Convert to fraction form
    7,603.66/11,395.16 = 2,919.34/x
  3. Step 3: Cross multiply
    7,603.66x = 11,395.16 × 2,919.34
  4. Step 4: Simplify right side
    7,603.66x = 33,266,346.39
  5. Step 5: Solve for x
    x = 33,266,346.39/7,603.66
  6. Step 6: Final answer
    x = 4,375.04

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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.