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Finding the Fourth Proportional to 62,818, 94,226.22 and 18,443.16

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Solution

The fourth proportional to 62,818, 94,226.22 and 18,443.16 is: 27,664.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,818 : 94,226.22 = 18,443.16 : x
  2. Step 2: Convert to fraction form
    62,818/94,226.22 = 18,443.16/x
  3. Step 3: Cross multiply
    62,818x = 94,226.22 × 18,443.16
  4. Step 4: Simplify right side
    62,818x = 1,737,829,251.66
  5. Step 5: Solve for x
    x = 1,737,829,251.66/62,818
  6. Step 6: Final answer
    x = 27,664.51

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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.