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Finding the Fourth Proportional to 7,321.93, 10,984.33 and 2,390.25

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Solution

The fourth proportional to 7,321.93, 10,984.33 and 2,390.25 is: 3,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.93 : 10,984.33 = 2,390.25 : x
  2. Step 2: Convert to fraction form
    7,321.93/10,984.33 = 2,390.25/x
  3. Step 3: Cross multiply
    7,321.93x = 10,984.33 × 2,390.25
  4. Step 4: Simplify right side
    7,321.93x = 26,255,256.58
  5. Step 5: Solve for x
    x = 26,255,256.58/7,321.93
  6. Step 6: Final answer
    x = 3,585.84

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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.