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Finding the Fourth Proportional to 58,606.47, 87,906.87 and 19,158.39

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Solution

The fourth proportional to 58,606.47, 87,906.87 and 19,158.39 is: 28,736.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,606.47 : 87,906.87 = 19,158.39 : x
  2. Step 2: Convert to fraction form
    58,606.47/87,906.87 = 19,158.39/x
  3. Step 3: Cross multiply
    58,606.47x = 87,906.87 × 19,158.39
  4. Step 4: Simplify right side
    58,606.47x = 1,684,154,099.14
  5. Step 5: Solve for x
    x = 1,684,154,099.14/58,606.47
  6. Step 6: Final answer
    x = 28,736.66

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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.