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Finding the Fourth Proportional to 46,818, 70,234.56 and 15,660.54

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Solution

The fourth proportional to 46,818, 70,234.56 and 15,660.54 is: 23,493.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,818 : 70,234.56 = 15,660.54 : x
  2. Step 2: Convert to fraction form
    46,818/70,234.56 = 15,660.54/x
  3. Step 3: Cross multiply
    46,818x = 70,234.56 × 15,660.54
  4. Step 4: Simplify right side
    46,818x = 1,099,911,136.26
  5. Step 5: Solve for x
    x = 1,099,911,136.26/46,818
  6. Step 6: Final answer
    x = 23,493.34

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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.