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Finding the Fourth Proportional to 29,688.37, 40,970.00 and 16,076.37

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Solution

The fourth proportional to 29,688.37, 40,970.00 and 16,076.37 is: 22,185.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,688.37 : 40,970.00 = 16,076.37 : x
  2. Step 2: Convert to fraction form
    29,688.37/40,970.00 = 16,076.37/x
  3. Step 3: Cross multiply
    29,688.37x = 40,970.00 × 16,076.37
  4. Step 4: Simplify right side
    29,688.37x = 658,649,072.73
  5. Step 5: Solve for x
    x = 658,649,072.73/29,688.37
  6. Step 6: Final answer
    x = 22,185.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.