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Finding the Fourth Proportional to 58,665.58, 87,990.58 and 16,549.06

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Solution

The fourth proportional to 58,665.58, 87,990.58 and 16,549.06 is: 24,821.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,665.58 : 87,990.58 = 16,549.06 : x
  2. Step 2: Convert to fraction form
    58,665.58/87,990.58 = 16,549.06/x
  3. Step 3: Cross multiply
    58,665.58x = 87,990.58 × 16,549.06
  4. Step 4: Simplify right side
    58,665.58x = 1,456,161,387.85
  5. Step 5: Solve for x
    x = 1,456,161,387.85/58,665.58
  6. Step 6: Final answer
    x = 24,821.39

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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.