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Finding the Fourth Proportional to 35,292.65, 48,696.80 and 20,949.89

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Solution

The fourth proportional to 35,292.65, 48,696.80 and 20,949.89 is: 28,906.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,292.65 : 48,696.80 = 20,949.89 : x
  2. Step 2: Convert to fraction form
    35,292.65/48,696.80 = 20,949.89/x
  3. Step 3: Cross multiply
    35,292.65x = 48,696.80 × 20,949.89
  4. Step 4: Simplify right side
    35,292.65x = 1,020,192,255.12
  5. Step 5: Solve for x
    x = 1,020,192,255.12/35,292.65
  6. Step 6: Final answer
    x = 28,906.65

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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.