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Finding the Fourth Proportional to 9,386.08, 14,069.28 and 3,837.28

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Solution

The fourth proportional to 9,386.08, 14,069.28 and 3,837.28 is: 5,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,386.08 : 14,069.28 = 3,837.28 : x
  2. Step 2: Convert to fraction form
    9,386.08/14,069.28 = 3,837.28/x
  3. Step 3: Cross multiply
    9,386.08x = 14,069.28 × 3,837.28
  4. Step 4: Simplify right side
    9,386.08x = 53,987,766.76
  5. Step 5: Solve for x
    x = 53,987,766.76/9,386.08
  6. Step 6: Final answer
    x = 5,751.90

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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.