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Finding the Fourth Proportional to 58,536.31, 87,801.39 and 16,419.31

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Solution

The fourth proportional to 58,536.31, 87,801.39 and 16,419.31 is: 24,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,536.31 : 87,801.39 = 16,419.31 : x
  2. Step 2: Convert to fraction form
    58,536.31/87,801.39 = 16,419.31/x
  3. Step 3: Cross multiply
    58,536.31x = 87,801.39 × 16,419.31
  4. Step 4: Simplify right side
    58,536.31x = 1,441,638,240.84
  5. Step 5: Solve for x
    x = 1,441,638,240.84/58,536.31
  6. Step 6: Final answer
    x = 24,628.10

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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.