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Finding the Fourth Proportional to 35,263, 48,662.94 and 20,359

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Solution

The fourth proportional to 35,263, 48,662.94 and 20,359 is: 28,095.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,263 : 48,662.94 = 20,359 : x
  2. Step 2: Convert to fraction form
    35,263/48,662.94 = 20,359/x
  3. Step 3: Cross multiply
    35,263x = 48,662.94 × 20,359
  4. Step 4: Simplify right side
    35,263x = 990,728,795.46
  5. Step 5: Solve for x
    x = 990,728,795.46/35,263
  6. Step 6: Final answer
    x = 28,095.42

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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.