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Finding the Fourth Proportional to 35,208.65, 52,813.07 and 8,913.40

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Solution

The fourth proportional to 35,208.65, 52,813.07 and 8,913.40 is: 13,370.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,208.65 : 52,813.07 = 8,913.40 : x
  2. Step 2: Convert to fraction form
    35,208.65/52,813.07 = 8,913.40/x
  3. Step 3: Cross multiply
    35,208.65x = 52,813.07 × 8,913.40
  4. Step 4: Simplify right side
    35,208.65x = 470,743,874.96
  5. Step 5: Solve for x
    x = 470,743,874.96/35,208.65
  6. Step 6: Final answer
    x = 13,370.12

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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.