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Finding the Fourth Proportional to 48,647.80, 72,977.69 and 16,632.15

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Solution

The fourth proportional to 48,647.80, 72,977.69 and 16,632.15 is: 24,950.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,647.80 : 72,977.69 = 16,632.15 : x
  2. Step 2: Convert to fraction form
    48,647.80/72,977.69 = 16,632.15/x
  3. Step 3: Cross multiply
    48,647.80x = 72,977.69 × 16,632.15
  4. Step 4: Simplify right side
    48,647.80x = 1,213,775,886.73
  5. Step 5: Solve for x
    x = 1,213,775,886.73/48,647.80
  6. Step 6: Final answer
    x = 24,950.27

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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.