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Finding the Fourth Proportional to 52,992.63, 73,130.85 and 29,117.88

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Solution

The fourth proportional to 52,992.63, 73,130.85 and 29,117.88 is: 40,183.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,992.63 : 73,130.85 = 29,117.88 : x
  2. Step 2: Convert to fraction form
    52,992.63/73,130.85 = 29,117.88/x
  3. Step 3: Cross multiply
    52,992.63x = 73,130.85 × 29,117.88
  4. Step 4: Simplify right side
    52,992.63x = 2,129,415,314.60
  5. Step 5: Solve for x
    x = 2,129,415,314.60/52,992.63
  6. Step 6: Final answer
    x = 40,183.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.