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Finding the Fourth Proportional to 48,989.25, 73,484.24 and 12,053.25

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Solution

The fourth proportional to 48,989.25, 73,484.24 and 12,053.25 is: 18,079.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,989.25 : 73,484.24 = 12,053.25 : x
  2. Step 2: Convert to fraction form
    48,989.25/73,484.24 = 12,053.25/x
  3. Step 3: Cross multiply
    48,989.25x = 73,484.24 × 12,053.25
  4. Step 4: Simplify right side
    48,989.25x = 885,723,855.51
  5. Step 5: Solve for x
    x = 885,723,855.51/48,989.25
  6. Step 6: Final answer
    x = 18,079.96

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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.