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Finding the Fourth Proportional to 30,694.44, 46,042.71 and 8,508.06

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Solution

The fourth proportional to 30,694.44, 46,042.71 and 8,508.06 is: 12,762.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,694.44 : 46,042.71 = 8,508.06 : x
  2. Step 2: Convert to fraction form
    30,694.44/46,042.71 = 8,508.06/x
  3. Step 3: Cross multiply
    30,694.44x = 46,042.71 × 8,508.06
  4. Step 4: Simplify right side
    30,694.44x = 391,734,139.24
  5. Step 5: Solve for x
    x = 391,734,139.24/30,694.44
  6. Step 6: Final answer
    x = 12,762.38

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1.5x scale

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.