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Finding the Fourth Proportional to 9,235.36, 12,745.28 and 6,089.28

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Solution

The fourth proportional to 9,235.36, 12,745.28 and 6,089.28 is: 8,403.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235.36 : 12,745.28 = 6,089.28 : x
  2. Step 2: Convert to fraction form
    9,235.36/12,745.28 = 6,089.28/x
  3. Step 3: Cross multiply
    9,235.36x = 12,745.28 × 6,089.28
  4. Step 4: Simplify right side
    9,235.36x = 77,609,578.60
  5. Step 5: Solve for x
    x = 77,609,578.60/9,235.36
  6. Step 6: Final answer
    x = 8,403.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.