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Finding the Fourth Proportional to 9,173.08, 13,762.05 and 5,619.25

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Solution

The fourth proportional to 9,173.08, 13,762.05 and 5,619.25 is: 8,430.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.08 : 13,762.05 = 5,619.25 : x
  2. Step 2: Convert to fraction form
    9,173.08/13,762.05 = 5,619.25/x
  3. Step 3: Cross multiply
    9,173.08x = 13,762.05 × 5,619.25
  4. Step 4: Simplify right side
    9,173.08x = 77,332,399.46
  5. Step 5: Solve for x
    x = 77,332,399.46/9,173.08
  6. Step 6: Final answer
    x = 8,430.36

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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.