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Finding the Fourth Proportional to 8,309.89, 11,526.41 and 8,010.67

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Solution

The fourth proportional to 8,309.89, 11,526.41 and 8,010.67 is: 11,111.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309.89 : 11,526.41 = 8,010.67 : x
  2. Step 2: Convert to fraction form
    8,309.89/11,526.41 = 8,010.67/x
  3. Step 3: Cross multiply
    8,309.89x = 11,526.41 × 8,010.67
  4. Step 4: Simplify right side
    8,309.89x = 92,334,266.79
  5. Step 5: Solve for x
    x = 92,334,266.79/8,309.89
  6. Step 6: Final answer
    x = 11,111.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.