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Finding the Fourth Proportional to 12,344.96, 18,509.88 and 6,504.32

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Solution

The fourth proportional to 12,344.96, 18,509.88 and 6,504.32 is: 9,752.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.96 : 18,509.88 = 6,504.32 : x
  2. Step 2: Convert to fraction form
    12,344.96/18,509.88 = 6,504.32/x
  3. Step 3: Cross multiply
    12,344.96x = 18,509.88 × 6,504.32
  4. Step 4: Simplify right side
    12,344.96x = 120,394,182.68
  5. Step 5: Solve for x
    x = 120,394,182.68/12,344.96
  6. Step 6: Final answer
    x = 9,752.50

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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.