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Finding the Fourth Proportional to 38,690.55, 58,035.84 and 25,539.84

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Solution

The fourth proportional to 38,690.55, 58,035.84 and 25,539.84 is: 38,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,690.55 : 58,035.84 = 25,539.84 : x
  2. Step 2: Convert to fraction form
    38,690.55/58,035.84 = 25,539.84/x
  3. Step 3: Cross multiply
    38,690.55x = 58,035.84 × 25,539.84
  4. Step 4: Simplify right side
    38,690.55x = 1,482,226,067.87
  5. Step 5: Solve for x
    x = 1,482,226,067.87/38,690.55
  6. Step 6: Final answer
    x = 38,309.77

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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.