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Finding the Fourth Proportional to 48,666.94, 73,051.44 and 30,918.22

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Solution

The fourth proportional to 48,666.94, 73,051.44 and 30,918.22 is: 46,409.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,666.94 : 73,051.44 = 30,918.22 : x
  2. Step 2: Convert to fraction form
    48,666.94/73,051.44 = 30,918.22/x
  3. Step 3: Cross multiply
    48,666.94x = 73,051.44 × 30,918.22
  4. Step 4: Simplify right side
    48,666.94x = 2,258,620,493.24
  5. Step 5: Solve for x
    x = 2,258,620,493.24/48,666.94
  6. Step 6: Final answer
    x = 46,409.75

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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.