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Finding the Fourth Proportional to 56,985.23, 85,500.63 and 23,728.25

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Solution

The fourth proportional to 56,985.23, 85,500.63 and 23,728.25 is: 35,601.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,985.23 : 85,500.63 = 23,728.25 : x
  2. Step 2: Convert to fraction form
    56,985.23/85,500.63 = 23,728.25/x
  3. Step 3: Cross multiply
    56,985.23x = 85,500.63 × 23,728.25
  4. Step 4: Simplify right side
    56,985.23x = 2,028,780,537.55
  5. Step 5: Solve for x
    x = 2,028,780,537.55/56,985.23
  6. Step 6: Final answer
    x = 35,601.86

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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.