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Finding the Fourth Proportional to 3,609.76, 4,983.57 and 2,492.32

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Solution

The fourth proportional to 3,609.76, 4,983.57 and 2,492.32 is: 3,440.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.76 : 4,983.57 = 2,492.32 : x
  2. Step 2: Convert to fraction form
    3,609.76/4,983.57 = 2,492.32/x
  3. Step 3: Cross multiply
    3,609.76x = 4,983.57 × 2,492.32
  4. Step 4: Simplify right side
    3,609.76x = 12,420,651.18
  5. Step 5: Solve for x
    x = 12,420,651.18/3,609.76
  6. Step 6: Final answer
    x = 3,440.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.