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Finding the Fourth Proportional to 30,451.60, 45,612.60 and 25,267.60

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Solution

The fourth proportional to 30,451.60, 45,612.60 and 25,267.60 is: 37,847.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,451.60 : 45,612.60 = 25,267.60 : x
  2. Step 2: Convert to fraction form
    30,451.60/45,612.60 = 25,267.60/x
  3. Step 3: Cross multiply
    30,451.60x = 45,612.60 × 25,267.60
  4. Step 4: Simplify right side
    30,451.60x = 1,152,520,931.76
  5. Step 5: Solve for x
    x = 1,152,520,931.76/30,451.60
  6. Step 6: Final answer
    x = 37,847.63

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.