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Finding the Fourth Proportional to 58,810.86, 81,149.85 and 34,936.92

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Solution

The fourth proportional to 58,810.86, 81,149.85 and 34,936.92 is: 48,207.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,810.86 : 81,149.85 = 34,936.92 : x
  2. Step 2: Convert to fraction form
    58,810.86/81,149.85 = 34,936.92/x
  3. Step 3: Cross multiply
    58,810.86x = 81,149.85 × 34,936.92
  4. Step 4: Simplify right side
    58,810.86x = 2,835,125,817.46
  5. Step 5: Solve for x
    x = 2,835,125,817.46/58,810.86
  6. Step 6: Final answer
    x = 48,207.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.