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Finding the Fourth Proportional to 7,203, 9,940.23 and 4,059.12

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Solution

The fourth proportional to 7,203, 9,940.23 and 4,059.12 is: 5,601.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203 : 9,940.23 = 4,059.12 : x
  2. Step 2: Convert to fraction form
    7,203/9,940.23 = 4,059.12/x
  3. Step 3: Cross multiply
    7,203x = 9,940.23 × 4,059.12
  4. Step 4: Simplify right side
    7,203x = 40,348,586.40
  5. Step 5: Solve for x
    x = 40,348,586.40/7,203
  6. Step 6: Final answer
    x = 5,601.64

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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.