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Finding the Fourth Proportional to 52,889.55, 72,992.30 and 29,020.87

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Solution

The fourth proportional to 52,889.55, 72,992.30 and 29,020.87 is: 40,051.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,889.55 : 72,992.30 = 29,020.87 : x
  2. Step 2: Convert to fraction form
    52,889.55/72,992.30 = 29,020.87/x
  3. Step 3: Cross multiply
    52,889.55x = 72,992.30 × 29,020.87
  4. Step 4: Simplify right side
    52,889.55x = 2,118,300,049.30
  5. Step 5: Solve for x
    x = 2,118,300,049.30/52,889.55
  6. Step 6: Final answer
    x = 40,051.39

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1.5x scale

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.