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Finding the Fourth Proportional to 48,572.68, 72,745.62 and 37,390.64

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Solution

The fourth proportional to 48,572.68, 72,745.62 and 37,390.64 is: 55,998.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,572.68 : 72,745.62 = 37,390.64 : x
  2. Step 2: Convert to fraction form
    48,572.68/72,745.62 = 37,390.64/x
  3. Step 3: Cross multiply
    48,572.68x = 72,745.62 × 37,390.64
  4. Step 4: Simplify right side
    48,572.68x = 2,720,005,289.00
  5. Step 5: Solve for x
    x = 2,720,005,289.00/48,572.68
  6. Step 6: Final answer
    x = 55,998.67

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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.