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Finding the Fourth Proportional to 7,609.92, 11,409.96 and 5,004.96

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Solution

The fourth proportional to 7,609.92, 11,409.96 and 5,004.96 is: 7,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,609.92 : 11,409.96 = 5,004.96 : x
  2. Step 2: Convert to fraction form
    7,609.92/11,409.96 = 5,004.96/x
  3. Step 3: Cross multiply
    7,609.92x = 11,409.96 × 5,004.96
  4. Step 4: Simplify right side
    7,609.92x = 57,106,393.40
  5. Step 5: Solve for x
    x = 57,106,393.40/7,609.92
  6. Step 6: Final answer
    x = 7,504.20

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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.