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Finding the Fourth Proportional to 57,273.10, 85,889.06 and 19,823.02

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Solution

The fourth proportional to 57,273.10, 85,889.06 and 19,823.02 is: 29,727.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,273.10 : 85,889.06 = 19,823.02 : x
  2. Step 2: Convert to fraction form
    57,273.10/85,889.06 = 19,823.02/x
  3. Step 3: Cross multiply
    57,273.10x = 85,889.06 × 19,823.02
  4. Step 4: Simplify right side
    57,273.10x = 1,702,580,025.60
  5. Step 5: Solve for x
    x = 1,702,580,025.60/57,273.10
  6. Step 6: Final answer
    x = 29,727.40

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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.