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Finding the Fourth Proportional to 57,442.46, 86,051.37 and 37,660.64

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Solution

The fourth proportional to 57,442.46, 86,051.37 and 37,660.64 is: 56,417.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,442.46 : 86,051.37 = 37,660.64 : x
  2. Step 2: Convert to fraction form
    57,442.46/86,051.37 = 37,660.64/x
  3. Step 3: Cross multiply
    57,442.46x = 86,051.37 × 37,660.64
  4. Step 4: Simplify right side
    57,442.46x = 3,240,749,667.08
  5. Step 5: Solve for x
    x = 3,240,749,667.08/57,442.46
  6. Step 6: Final answer
    x = 56,417.32

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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.