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Finding the Fourth Proportional to 23,113.50, 31,896.44 and 12,503.16

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Solution

The fourth proportional to 23,113.50, 31,896.44 and 12,503.16 is: 17,254.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,113.50 : 31,896.44 = 12,503.16 : x
  2. Step 2: Convert to fraction form
    23,113.50/31,896.44 = 12,503.16/x
  3. Step 3: Cross multiply
    23,113.50x = 31,896.44 × 12,503.16
  4. Step 4: Simplify right side
    23,113.50x = 398,806,292.75
  5. Step 5: Solve for x
    x = 398,806,292.75/23,113.50
  6. Step 6: Final answer
    x = 17,254.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.