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Finding the Fourth Proportional to 57,705.63, 86,573.04 and 17,726.59

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Solution

The fourth proportional to 57,705.63, 86,573.04 and 17,726.59 is: 26,594.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,705.63 : 86,573.04 = 17,726.59 : x
  2. Step 2: Convert to fraction form
    57,705.63/86,573.04 = 17,726.59/x
  3. Step 3: Cross multiply
    57,705.63x = 86,573.04 × 17,726.59
  4. Step 4: Simplify right side
    57,705.63x = 1,534,644,785.13
  5. Step 5: Solve for x
    x = 1,534,644,785.13/57,705.63
  6. Step 6: Final answer
    x = 26,594.37

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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.