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Finding the Fourth Proportional to 23,894.45, 35,857.27 and 8,913.56

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Solution

The fourth proportional to 23,894.45, 35,857.27 and 8,913.56 is: 13,376.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,894.45 : 35,857.27 = 8,913.56 : x
  2. Step 2: Convert to fraction form
    23,894.45/35,857.27 = 8,913.56/x
  3. Step 3: Cross multiply
    23,894.45x = 35,857.27 × 8,913.56
  4. Step 4: Simplify right side
    23,894.45x = 319,615,927.58
  5. Step 5: Solve for x
    x = 319,615,927.58/23,894.45
  6. Step 6: Final answer
    x = 13,376.16

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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.