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Finding the Fourth Proportional to 62,028.72, 85,572 and 41,879.52

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Solution

The fourth proportional to 62,028.72, 85,572 and 41,879.52 is: 57,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,028.72 : 85,572 = 41,879.52 : x
  2. Step 2: Convert to fraction form
    62,028.72/85,572 = 41,879.52/x
  3. Step 3: Cross multiply
    62,028.72x = 85,572 × 41,879.52
  4. Step 4: Simplify right side
    62,028.72x = 3,583,714,285.44
  5. Step 5: Solve for x
    x = 3,583,714,285.44/62,028.72
  6. Step 6: Final answer
    x = 57,775.08

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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.