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Finding the Fourth Proportional to 58,549.52, 87,836.52 and 19,108.88

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Solution

The fourth proportional to 58,549.52, 87,836.52 and 19,108.88 is: 28,667.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,549.52 : 87,836.52 = 19,108.88 : x
  2. Step 2: Convert to fraction form
    58,549.52/87,836.52 = 19,108.88/x
  3. Step 3: Cross multiply
    58,549.52x = 87,836.52 × 19,108.88
  4. Step 4: Simplify right side
    58,549.52x = 1,678,457,520.30
  5. Step 5: Solve for x
    x = 1,678,457,520.30/58,549.52
  6. Step 6: Final answer
    x = 28,667.31

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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.