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Finding the Fourth Proportional to 35,503.01, 53,255.87 and 11,812.67

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Solution

The fourth proportional to 35,503.01, 53,255.87 and 11,812.67 is: 17,719.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,503.01 : 53,255.87 = 11,812.67 : x
  2. Step 2: Convert to fraction form
    35,503.01/53,255.87 = 11,812.67/x
  3. Step 3: Cross multiply
    35,503.01x = 53,255.87 × 11,812.67
  4. Step 4: Simplify right side
    35,503.01x = 629,093,958.81
  5. Step 5: Solve for x
    x = 629,093,958.81/35,503.01
  6. Step 6: Final answer
    x = 17,719.45

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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.