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Finding the Fourth Proportional to 7,241.76, 10,854.63 and 4,739.94

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Solution

The fourth proportional to 7,241.76, 10,854.63 and 4,739.94 is: 7,104.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241.76 : 10,854.63 = 4,739.94 : x
  2. Step 2: Convert to fraction form
    7,241.76/10,854.63 = 4,739.94/x
  3. Step 3: Cross multiply
    7,241.76x = 10,854.63 × 4,739.94
  4. Step 4: Simplify right side
    7,241.76x = 51,450,294.92
  5. Step 5: Solve for x
    x = 51,450,294.92/7,241.76
  6. Step 6: Final answer
    x = 7,104.67

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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.