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Finding the Fourth Proportional to 35,134.22, 52,722.08 and 12,963.08

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Solution

The fourth proportional to 35,134.22, 52,722.08 and 12,963.08 is: 19,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,134.22 : 52,722.08 = 12,963.08 : x
  2. Step 2: Convert to fraction form
    35,134.22/52,722.08 = 12,963.08/x
  3. Step 3: Cross multiply
    35,134.22x = 52,722.08 × 12,963.08
  4. Step 4: Simplify right side
    35,134.22x = 683,440,540.81
  5. Step 5: Solve for x
    x = 683,440,540.81/35,134.22
  6. Step 6: Final answer
    x = 19,452.28

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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.