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Finding the Fourth Proportional to 35,943.09, 53,912.03 and 12,248.67

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Solution

The fourth proportional to 35,943.09, 53,912.03 and 12,248.67 is: 18,372.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,943.09 : 53,912.03 = 12,248.67 : x
  2. Step 2: Convert to fraction form
    35,943.09/53,912.03 = 12,248.67/x
  3. Step 3: Cross multiply
    35,943.09x = 53,912.03 × 12,248.67
  4. Step 4: Simplify right side
    35,943.09x = 660,350,603.26
  5. Step 5: Solve for x
    x = 660,350,603.26/35,943.09
  6. Step 6: Final answer
    x = 18,372.12

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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.