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Finding the Fourth Proportional to 8,562.99, 11,771.53 and 7,363.56

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Solution

The fourth proportional to 8,562.99, 11,771.53 and 7,363.56 is: 10,122.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562.99 : 11,771.53 = 7,363.56 : x
  2. Step 2: Convert to fraction form
    8,562.99/11,771.53 = 7,363.56/x
  3. Step 3: Cross multiply
    8,562.99x = 11,771.53 × 7,363.56
  4. Step 4: Simplify right side
    8,562.99x = 86,680,330.63
  5. Step 5: Solve for x
    x = 86,680,330.63/8,562.99
  6. Step 6: Final answer
    x = 10,122.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.