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Finding the Fourth Proportional to 45,835.92, 68,750.91 and 15,849.32

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Solution

The fourth proportional to 45,835.92, 68,750.91 and 15,849.32 is: 23,772.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,835.92 : 68,750.91 = 15,849.32 : x
  2. Step 2: Convert to fraction form
    45,835.92/68,750.91 = 15,849.32/x
  3. Step 3: Cross multiply
    45,835.92x = 68,750.91 × 15,849.32
  4. Step 4: Simplify right side
    45,835.92x = 1,089,654,829.13
  5. Step 5: Solve for x
    x = 1,089,654,829.13/45,835.92
  6. Step 6: Final answer
    x = 23,772.95

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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.