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Finding the Fourth Proportional to 29,393.63, 40,569.59 and 18,072.81

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Solution

The fourth proportional to 29,393.63, 40,569.59 and 18,072.81 is: 24,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,393.63 : 40,569.59 = 18,072.81 : x
  2. Step 2: Convert to fraction form
    29,393.63/40,569.59 = 18,072.81/x
  3. Step 3: Cross multiply
    29,393.63x = 40,569.59 × 18,072.81
  4. Step 4: Simplify right side
    29,393.63x = 733,206,401.48
  5. Step 5: Solve for x
    x = 733,206,401.48/29,393.63
  6. Step 6: Final answer
    x = 24,944.40

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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.