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Finding the Fourth Proportional to 50,415.88, 75,618.06 and 13,482.76

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Solution

The fourth proportional to 50,415.88, 75,618.06 and 13,482.76 is: 20,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,415.88 : 75,618.06 = 13,482.76 : x
  2. Step 2: Convert to fraction form
    50,415.88/75,618.06 = 13,482.76/x
  3. Step 3: Cross multiply
    50,415.88x = 75,618.06 × 13,482.76
  4. Step 4: Simplify right side
    50,415.88x = 1,019,540,154.65
  5. Step 5: Solve for x
    x = 1,019,540,154.65/50,415.88
  6. Step 6: Final answer
    x = 20,222.60

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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.