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Finding the Fourth Proportional to 58,369.86, 87,546.06 and 20,924.28

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Solution

The fourth proportional to 58,369.86, 87,546.06 and 20,924.28 is: 31,383.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,369.86 : 87,546.06 = 20,924.28 : x
  2. Step 2: Convert to fraction form
    58,369.86/87,546.06 = 20,924.28/x
  3. Step 3: Cross multiply
    58,369.86x = 87,546.06 × 20,924.28
  4. Step 4: Simplify right side
    58,369.86x = 1,831,838,272.34
  5. Step 5: Solve for x
    x = 1,831,838,272.34/58,369.86
  6. Step 6: Final answer
    x = 31,383.29

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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.