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Finding the Fourth Proportional to 58,874.63, 81,245.30 and 33,383.43

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Solution

The fourth proportional to 58,874.63, 81,245.30 and 33,383.43 is: 46,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,874.63 : 81,245.30 = 33,383.43 : x
  2. Step 2: Convert to fraction form
    58,874.63/81,245.30 = 33,383.43/x
  3. Step 3: Cross multiply
    58,874.63x = 81,245.30 × 33,383.43
  4. Step 4: Simplify right side
    58,874.63x = 2,712,246,618.46
  5. Step 5: Solve for x
    x = 2,712,246,618.46/58,874.63
  6. Step 6: Final answer
    x = 46,068.18

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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.