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Finding the Fourth Proportional to 55,518, 76,651.84 and 32,864.24

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Solution

The fourth proportional to 55,518, 76,651.84 and 32,864.24 is: 45,374.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,518 : 76,651.84 = 32,864.24 : x
  2. Step 2: Convert to fraction form
    55,518/76,651.84 = 32,864.24/x
  3. Step 3: Cross multiply
    55,518x = 76,651.84 × 32,864.24
  4. Step 4: Simplify right side
    55,518x = 2,519,104,466.20
  5. Step 5: Solve for x
    x = 2,519,104,466.20/55,518
  6. Step 6: Final answer
    x = 45,374.55

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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.