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Finding the Fourth Proportional to 55,210.88, 82,819.08 and 15,773.84

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Solution

The fourth proportional to 55,210.88, 82,819.08 and 15,773.84 is: 23,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,210.88 : 82,819.08 = 15,773.84 : x
  2. Step 2: Convert to fraction form
    55,210.88/82,819.08 = 15,773.84/x
  3. Step 3: Cross multiply
    55,210.88x = 82,819.08 × 15,773.84
  4. Step 4: Simplify right side
    55,210.88x = 1,306,374,916.87
  5. Step 5: Solve for x
    x = 1,306,374,916.87/55,210.88
  6. Step 6: Final answer
    x = 23,661.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.