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Finding the Fourth Proportional to 23,929.79, 35,894.03 and 7,289.10

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Solution

The fourth proportional to 23,929.79, 35,894.03 and 7,289.10 is: 10,933.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,929.79 : 35,894.03 = 7,289.10 : x
  2. Step 2: Convert to fraction form
    23,929.79/35,894.03 = 7,289.10/x
  3. Step 3: Cross multiply
    23,929.79x = 35,894.03 × 7,289.10
  4. Step 4: Simplify right side
    23,929.79x = 261,635,137.63
  5. Step 5: Solve for x
    x = 261,635,137.63/23,929.79
  6. Step 6: Final answer
    x = 10,933.45

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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.