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Finding the Fourth Proportional to 30,652.44, 45,978.77 and 8,465.33

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Solution

The fourth proportional to 30,652.44, 45,978.77 and 8,465.33 is: 12,698.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,652.44 : 45,978.77 = 8,465.33 : x
  2. Step 2: Convert to fraction form
    30,652.44/45,978.77 = 8,465.33/x
  3. Step 3: Cross multiply
    30,652.44x = 45,978.77 × 8,465.33
  4. Step 4: Simplify right side
    30,652.44x = 389,225,188.82
  5. Step 5: Solve for x
    x = 389,225,188.82/30,652.44
  6. Step 6: Final answer
    x = 12,698.02

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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.