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Finding the Fourth Proportional to 56,283.39, 84,412.94 and 17,817.92

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Solution

The fourth proportional to 56,283.39, 84,412.94 and 17,817.92 is: 26,723.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,283.39 : 84,412.94 = 17,817.92 : x
  2. Step 2: Convert to fraction form
    56,283.39/84,412.94 = 17,817.92/x
  3. Step 3: Cross multiply
    56,283.39x = 84,412.94 × 17,817.92
  4. Step 4: Simplify right side
    56,283.39x = 1,504,063,200.64
  5. Step 5: Solve for x
    x = 1,504,063,200.64/56,283.39
  6. Step 6: Final answer
    x = 26,723.04

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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.