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Finding the Fourth Proportional to 29,665.23, 40,938.03 and 16,236.47

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Solution

The fourth proportional to 29,665.23, 40,938.03 and 16,236.47 is: 22,406.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,665.23 : 40,938.03 = 16,236.47 : x
  2. Step 2: Convert to fraction form
    29,665.23/40,938.03 = 16,236.47/x
  3. Step 3: Cross multiply
    29,665.23x = 40,938.03 × 16,236.47
  4. Step 4: Simplify right side
    29,665.23x = 664,689,095.95
  5. Step 5: Solve for x
    x = 664,689,095.95/29,665.23
  6. Step 6: Final answer
    x = 22,406.34

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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.