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Finding the Fourth Proportional to 7,495.76, 11,240.04 and 3,601.28

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Solution

The fourth proportional to 7,495.76, 11,240.04 and 3,601.28 is: 5,400.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,495.76 : 11,240.04 = 3,601.28 : x
  2. Step 2: Convert to fraction form
    7,495.76/11,240.04 = 3,601.28/x
  3. Step 3: Cross multiply
    7,495.76x = 11,240.04 × 3,601.28
  4. Step 4: Simplify right side
    7,495.76x = 40,478,531.25
  5. Step 5: Solve for x
    x = 40,478,531.25/7,495.76
  6. Step 6: Final answer
    x = 5,400.19

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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.