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Finding the Fourth Proportional to 58,744.65, 81,109.76 and 36,114

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Solution

The fourth proportional to 58,744.65, 81,109.76 and 36,114 is: 49,863.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,744.65 : 81,109.76 = 36,114 : x
  2. Step 2: Convert to fraction form
    58,744.65/81,109.76 = 36,114/x
  3. Step 3: Cross multiply
    58,744.65x = 81,109.76 × 36,114
  4. Step 4: Simplify right side
    58,744.65x = 2,929,197,692.07
  5. Step 5: Solve for x
    x = 2,929,197,692.07/58,744.65
  6. Step 6: Final answer
    x = 49,863.22

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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.