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Finding the Fourth Proportional to 58,893.72, 88,321.86 and 19,443.48

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Solution

The fourth proportional to 58,893.72, 88,321.86 and 19,443.48 is: 29,159.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,893.72 : 88,321.86 = 19,443.48 : x
  2. Step 2: Convert to fraction form
    58,893.72/88,321.86 = 19,443.48/x
  3. Step 3: Cross multiply
    58,893.72x = 88,321.86 × 19,443.48
  4. Step 4: Simplify right side
    58,893.72x = 1,717,284,318.47
  5. Step 5: Solve for x
    x = 1,717,284,318.47/58,893.72
  6. Step 6: Final answer
    x = 29,159.04

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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.