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Finding the Fourth Proportional to 35,209.65, 52,814.57 and 8,914.40

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Solution

The fourth proportional to 35,209.65, 52,814.57 and 8,914.40 is: 13,371.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,209.65 : 52,814.57 = 8,914.40 : x
  2. Step 2: Convert to fraction form
    35,209.65/52,814.57 = 8,914.40/x
  3. Step 3: Cross multiply
    35,209.65x = 52,814.57 × 8,914.40
  4. Step 4: Simplify right side
    35,209.65x = 470,810,202.81
  5. Step 5: Solve for x
    x = 470,810,202.81/35,209.65
  6. Step 6: Final answer
    x = 13,371.62

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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.