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Finding the Fourth Proportional to 7,852.15, 11,779.83 and 7,067.95

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Solution

The fourth proportional to 7,852.15, 11,779.83 and 7,067.95 is: 10,603.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,852.15 : 11,779.83 = 7,067.95 : x
  2. Step 2: Convert to fraction form
    7,852.15/11,779.83 = 7,067.95/x
  3. Step 3: Cross multiply
    7,852.15x = 11,779.83 × 7,067.95
  4. Step 4: Simplify right side
    7,852.15x = 83,259,193.49
  5. Step 5: Solve for x
    x = 83,259,193.49/7,852.15
  6. Step 6: Final answer
    x = 10,603.36

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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.