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Finding the Fourth Proportional to 15,954.98, 23,946.30 and 15,918.08

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Solution

The fourth proportional to 15,954.98, 23,946.30 and 15,918.08 is: 23,890.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.98 : 23,946.30 = 15,918.08 : x
  2. Step 2: Convert to fraction form
    15,954.98/23,946.30 = 15,918.08/x
  3. Step 3: Cross multiply
    15,954.98x = 23,946.30 × 15,918.08
  4. Step 4: Simplify right side
    15,954.98x = 381,178,999.37
  5. Step 5: Solve for x
    x = 381,178,999.37/15,954.98
  6. Step 6: Final answer
    x = 23,890.92

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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.