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Finding the Fourth Proportional to 58,605.82, 87,914.13 and 19,163.14

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Solution

The fourth proportional to 58,605.82, 87,914.13 and 19,163.14 is: 28,746.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,605.82 : 87,914.13 = 19,163.14 : x
  2. Step 2: Convert to fraction form
    58,605.82/87,914.13 = 19,163.14/x
  3. Step 3: Cross multiply
    58,605.82x = 87,914.13 × 19,163.14
  4. Step 4: Simplify right side
    58,605.82x = 1,684,710,781.17
  5. Step 5: Solve for x
    x = 1,684,710,781.17/58,605.82
  6. Step 6: Final answer
    x = 28,746.48

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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.