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Finding the Fourth Proportional to 55,994, 77,271.72 and 30,844.04

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Solution

The fourth proportional to 55,994, 77,271.72 and 30,844.04 is: 42,564.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,994 : 77,271.72 = 30,844.04 : x
  2. Step 2: Convert to fraction form
    55,994/77,271.72 = 30,844.04/x
  3. Step 3: Cross multiply
    55,994x = 77,271.72 × 30,844.04
  4. Step 4: Simplify right side
    55,994x = 2,383,372,022.55
  5. Step 5: Solve for x
    x = 2,383,372,022.55/55,994
  6. Step 6: Final answer
    x = 42,564.78

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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.