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Finding the Fourth Proportional to 8,528.16, 12,782.76 and 3,596.32

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Solution

The fourth proportional to 8,528.16, 12,782.76 and 3,596.32 is: 5,390.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.16 : 12,782.76 = 3,596.32 : x
  2. Step 2: Convert to fraction form
    8,528.16/12,782.76 = 3,596.32/x
  3. Step 3: Cross multiply
    8,528.16x = 12,782.76 × 3,596.32
  4. Step 4: Simplify right side
    8,528.16x = 45,970,895.44
  5. Step 5: Solve for x
    x = 45,970,895.44/8,528.16
  6. Step 6: Final answer
    x = 5,390.48

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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.