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Finding the Fourth Proportional to 7,958.45, 10,984.02 and 4,603.31

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Solution

The fourth proportional to 7,958.45, 10,984.02 and 4,603.31 is: 6,353.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.45 : 10,984.02 = 4,603.31 : x
  2. Step 2: Convert to fraction form
    7,958.45/10,984.02 = 4,603.31/x
  3. Step 3: Cross multiply
    7,958.45x = 10,984.02 × 4,603.31
  4. Step 4: Simplify right side
    7,958.45x = 50,562,793.69
  5. Step 5: Solve for x
    x = 50,562,793.69/7,958.45
  6. Step 6: Final answer
    x = 6,353.34

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1.5x scale

Why These Related Problems?

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