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Finding the Fourth Proportional to 9,469.79, 14,208.79 and 5,082.13

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Solution

The fourth proportional to 9,469.79, 14,208.79 and 5,082.13 is: 7,625.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,469.79 : 14,208.79 = 5,082.13 : x
  2. Step 2: Convert to fraction form
    9,469.79/14,208.79 = 5,082.13/x
  3. Step 3: Cross multiply
    9,469.79x = 14,208.79 × 5,082.13
  4. Step 4: Simplify right side
    9,469.79x = 72,210,866.88
  5. Step 5: Solve for x
    x = 72,210,866.88/9,469.79
  6. Step 6: Final answer
    x = 7,625.39

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1.5x scale

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.