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Finding the Fourth Proportional to 15,451.60, 23,184.60 and 11,563.60

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Solution

The fourth proportional to 15,451.60, 23,184.60 and 11,563.60 is: 17,350.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451.60 : 23,184.60 = 11,563.60 : x
  2. Step 2: Convert to fraction form
    15,451.60/23,184.60 = 11,563.60/x
  3. Step 3: Cross multiply
    15,451.60x = 23,184.60 × 11,563.60
  4. Step 4: Simplify right side
    15,451.60x = 268,097,440.56
  5. Step 5: Solve for x
    x = 268,097,440.56/15,451.60
  6. Step 6: Final answer
    x = 17,350.79

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1.5x scale

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.