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Finding the Fourth Proportional to 48,655.36, 72,991.14 and 29,923.30

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Solution

The fourth proportional to 48,655.36, 72,991.14 and 29,923.30 is: 44,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,655.36 : 72,991.14 = 29,923.30 : x
  2. Step 2: Convert to fraction form
    48,655.36/72,991.14 = 29,923.30/x
  3. Step 3: Cross multiply
    48,655.36x = 72,991.14 × 29,923.30
  4. Step 4: Simplify right side
    48,655.36x = 2,184,135,779.56
  5. Step 5: Solve for x
    x = 2,184,135,779.56/48,655.36
  6. Step 6: Final answer
    x = 44,889.93

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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.