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Finding the Fourth Proportional to 59,090.31, 88,635.48 and 19,647.77

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Solution

The fourth proportional to 59,090.31, 88,635.48 and 19,647.77 is: 29,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,090.31 : 88,635.48 = 19,647.77 : x
  2. Step 2: Convert to fraction form
    59,090.31/88,635.48 = 19,647.77/x
  3. Step 3: Cross multiply
    59,090.31x = 88,635.48 × 19,647.77
  4. Step 4: Simplify right side
    59,090.31x = 1,741,488,983.46
  5. Step 5: Solve for x
    x = 1,741,488,983.46/59,090.31
  6. Step 6: Final answer
    x = 29,471.65

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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.