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Finding the Fourth Proportional to 30,696.63, 46,044.95 and 20,305.95

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Solution

The fourth proportional to 30,696.63, 46,044.95 and 20,305.95 is: 30,458.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,696.63 : 46,044.95 = 20,305.95 : x
  2. Step 2: Convert to fraction form
    30,696.63/46,044.95 = 20,305.95/x
  3. Step 3: Cross multiply
    30,696.63x = 46,044.95 × 20,305.95
  4. Step 4: Simplify right side
    30,696.63x = 934,986,350.92
  5. Step 5: Solve for x
    x = 934,986,350.92/30,696.63
  6. Step 6: Final answer
    x = 30,458.93

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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.