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Finding the Fourth Proportional to 7,512.54, 10,361.01 and 5,628.54

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Solution

The fourth proportional to 7,512.54, 10,361.01 and 5,628.54 is: 7,762.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.54 : 10,361.01 = 5,628.54 : x
  2. Step 2: Convert to fraction form
    7,512.54/10,361.01 = 5,628.54/x
  3. Step 3: Cross multiply
    7,512.54x = 10,361.01 × 5,628.54
  4. Step 4: Simplify right side
    7,512.54x = 58,317,359.23
  5. Step 5: Solve for x
    x = 58,317,359.23/7,512.54
  6. Step 6: Final answer
    x = 7,762.67

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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.