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Finding the Fourth Proportional to 5,313.96, 7,972.36 and 4,732.94

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Solution

The fourth proportional to 5,313.96, 7,972.36 and 4,732.94 is: 7,100.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.96 : 7,972.36 = 4,732.94 : x
  2. Step 2: Convert to fraction form
    5,313.96/7,972.36 = 4,732.94/x
  3. Step 3: Cross multiply
    5,313.96x = 7,972.36 × 4,732.94
  4. Step 4: Simplify right side
    5,313.96x = 37,732,701.54
  5. Step 5: Solve for x
    x = 37,732,701.54/5,313.96
  6. Step 6: Final answer
    x = 7,100.67

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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.