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Finding the Fourth Proportional to 35,672.68, 49,230.06 and 21,525.28

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Solution

The fourth proportional to 35,672.68, 49,230.06 and 21,525.28 is: 29,705.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,672.68 : 49,230.06 = 21,525.28 : x
  2. Step 2: Convert to fraction form
    35,672.68/49,230.06 = 21,525.28/x
  3. Step 3: Cross multiply
    35,672.68x = 49,230.06 × 21,525.28
  4. Step 4: Simplify right side
    35,672.68x = 1,059,690,825.92
  5. Step 5: Solve for x
    x = 1,059,690,825.92/35,672.68
  6. Step 6: Final answer
    x = 29,705.95

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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.