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Finding the Fourth Proportional to 25,383.89, 35,024.78 and 15,946.98

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Solution

The fourth proportional to 25,383.89, 35,024.78 and 15,946.98 is: 22,003.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,383.89 : 35,024.78 = 15,946.98 : x
  2. Step 2: Convert to fraction form
    25,383.89/35,024.78 = 15,946.98/x
  3. Step 3: Cross multiply
    25,383.89x = 35,024.78 × 15,946.98
  4. Step 4: Simplify right side
    25,383.89x = 558,539,506.03
  5. Step 5: Solve for x
    x = 558,539,506.03/25,383.89
  6. Step 6: Final answer
    x = 22,003.70

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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.