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Finding the Fourth Proportional to 58,871.04, 88,297.92 and 19,429.44

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Solution

The fourth proportional to 58,871.04, 88,297.92 and 19,429.44 is: 29,141.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,871.04 : 88,297.92 = 19,429.44 : x
  2. Step 2: Convert to fraction form
    58,871.04/88,297.92 = 19,429.44/x
  3. Step 3: Cross multiply
    58,871.04x = 88,297.92 × 19,429.44
  4. Step 4: Simplify right side
    58,871.04x = 1,715,579,138.76
  5. Step 5: Solve for x
    x = 1,715,579,138.76/58,871.04
  6. Step 6: Final answer
    x = 29,141.31

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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.