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Finding the Fourth Proportional to 35,622.42, 49,150.98 and 21,278.40

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Solution

The fourth proportional to 35,622.42, 49,150.98 and 21,278.40 is: 29,359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,622.42 : 49,150.98 = 21,278.40 : x
  2. Step 2: Convert to fraction form
    35,622.42/49,150.98 = 21,278.40/x
  3. Step 3: Cross multiply
    35,622.42x = 49,150.98 × 21,278.40
  4. Step 4: Simplify right side
    35,622.42x = 1,045,854,212.83
  5. Step 5: Solve for x
    x = 1,045,854,212.83/35,622.42
  6. Step 6: Final answer
    x = 29,359.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.