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Finding the Fourth Proportional to 58,549.82, 87,814.74 and 21,102.44

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Solution

The fourth proportional to 58,549.82, 87,814.74 and 21,102.44 is: 31,650.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,549.82 : 87,814.74 = 21,102.44 : x
  2. Step 2: Convert to fraction form
    58,549.82/87,814.74 = 21,102.44/x
  3. Step 3: Cross multiply
    58,549.82x = 87,814.74 × 21,102.44
  4. Step 4: Simplify right side
    58,549.82x = 1,853,105,501.50
  5. Step 5: Solve for x
    x = 1,853,105,501.50/58,549.82
  6. Step 6: Final answer
    x = 31,650.06

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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.