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Finding the Fourth Proportional to 30,652.60, 45,992.74 and 15,651.98

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Solution

The fourth proportional to 30,652.60, 45,992.74 and 15,651.98 is: 23,485.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,652.60 : 45,992.74 = 15,651.98 : x
  2. Step 2: Convert to fraction form
    30,652.60/45,992.74 = 15,651.98/x
  3. Step 3: Cross multiply
    30,652.60x = 45,992.74 × 15,651.98
  4. Step 4: Simplify right side
    30,652.60x = 719,877,594.04
  5. Step 5: Solve for x
    x = 719,877,594.04/30,652.60
  6. Step 6: Final answer
    x = 23,485.04

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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.