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Finding the Fourth Proportional to 7,048.08, 9,726.48 and 3,904.44

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Solution

The fourth proportional to 7,048.08, 9,726.48 and 3,904.44 is: 5,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.08 : 9,726.48 = 3,904.44 : x
  2. Step 2: Convert to fraction form
    7,048.08/9,726.48 = 3,904.44/x
  3. Step 3: Cross multiply
    7,048.08x = 9,726.48 × 3,904.44
  4. Step 4: Simplify right side
    7,048.08x = 37,976,457.57
  5. Step 5: Solve for x
    x = 37,976,457.57/7,048.08
  6. Step 6: Final answer
    x = 5,388.20

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