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Finding the Fourth Proportional to 48,992.49, 73,477.80 and 19,416.96

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Solution

The fourth proportional to 48,992.49, 73,477.80 and 19,416.96 is: 29,121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,992.49 : 73,477.80 = 19,416.96 : x
  2. Step 2: Convert to fraction form
    48,992.49/73,477.80 = 19,416.96/x
  3. Step 3: Cross multiply
    48,992.49x = 73,477.80 × 19,416.96
  4. Step 4: Simplify right side
    48,992.49x = 1,426,715,503.49
  5. Step 5: Solve for x
    x = 1,426,715,503.49/48,992.49
  6. Step 6: Final answer
    x = 29,121.11

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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.