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Finding the Fourth Proportional to 3,568.43, 4,914.29 and 3,492.11

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Solution

The fourth proportional to 3,568.43, 4,914.29 and 3,492.11 is: 4,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.43 : 4,914.29 = 3,492.11 : x
  2. Step 2: Convert to fraction form
    3,568.43/4,914.29 = 3,492.11/x
  3. Step 3: Cross multiply
    3,568.43x = 4,914.29 × 3,492.11
  4. Step 4: Simplify right side
    3,568.43x = 17,161,199.22
  5. Step 5: Solve for x
    x = 17,161,199.22/3,568.43
  6. Step 6: Final answer
    x = 4,809.18

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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.