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Finding the Fourth Proportional to 73,664.51, 110,529.54 and 38,595.96

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Solution

The fourth proportional to 73,664.51, 110,529.54 and 38,595.96 is: 57,911.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,664.51 : 110,529.54 = 38,595.96 : x
  2. Step 2: Convert to fraction form
    73,664.51/110,529.54 = 38,595.96/x
  3. Step 3: Cross multiply
    73,664.51x = 110,529.54 × 38,595.96
  4. Step 4: Simplify right side
    73,664.51x = 4,265,993,704.66
  5. Step 5: Solve for x
    x = 4,265,993,704.66/73,664.51
  6. Step 6: Final answer
    x = 57,911.12

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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.