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Finding the Fourth Proportional to 48,664.58, 72,996.93 and 13,604.22

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Solution

The fourth proportional to 48,664.58, 72,996.93 and 13,604.22 is: 20,406.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,664.58 : 72,996.93 = 13,604.22 : x
  2. Step 2: Convert to fraction form
    48,664.58/72,996.93 = 13,604.22/x
  3. Step 3: Cross multiply
    48,664.58x = 72,996.93 × 13,604.22
  4. Step 4: Simplify right side
    48,664.58x = 993,066,295.04
  5. Step 5: Solve for x
    x = 993,066,295.04/48,664.58
  6. Step 6: Final answer
    x = 20,406.35

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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.