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Finding the Fourth Proportional to 30,184.79, 41,653.04 and 16,755.39

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Solution

The fourth proportional to 30,184.79, 41,653.04 and 16,755.39 is: 23,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,184.79 : 41,653.04 = 16,755.39 : x
  2. Step 2: Convert to fraction form
    30,184.79/41,653.04 = 16,755.39/x
  3. Step 3: Cross multiply
    30,184.79x = 41,653.04 × 16,755.39
  4. Step 4: Simplify right side
    30,184.79x = 697,912,846.11
  5. Step 5: Solve for x
    x = 697,912,846.11/30,184.79
  6. Step 6: Final answer
    x = 23,121.35

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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.