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Finding the Fourth Proportional to 50,875.74, 76,326.57 and 15,815.70

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Solution

The fourth proportional to 50,875.74, 76,326.57 and 15,815.70 is: 23,727.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,875.74 : 76,326.57 = 15,815.70 : x
  2. Step 2: Convert to fraction form
    50,875.74/76,326.57 = 15,815.70/x
  3. Step 3: Cross multiply
    50,875.74x = 76,326.57 × 15,815.70
  4. Step 4: Simplify right side
    50,875.74x = 1,207,158,133.15
  5. Step 5: Solve for x
    x = 1,207,158,133.15/50,875.74
  6. Step 6: Final answer
    x = 23,727.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.