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Finding the Fourth Proportional to 64,041.96, 95,985.12 and 45,327.44

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Solution

The fourth proportional to 64,041.96, 95,985.12 and 45,327.44 is: 67,936.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,041.96 : 95,985.12 = 45,327.44 : x
  2. Step 2: Convert to fraction form
    64,041.96/95,985.12 = 45,327.44/x
  3. Step 3: Cross multiply
    64,041.96x = 95,985.12 × 45,327.44
  4. Step 4: Simplify right side
    64,041.96x = 4,350,759,767.69
  5. Step 5: Solve for x
    x = 4,350,759,767.69/64,041.96
  6. Step 6: Final answer
    x = 67,936.08

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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.