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Finding the Fourth Proportional to 35,200.81, 52,801.43 and 8,905.54

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Solution

The fourth proportional to 35,200.81, 52,801.43 and 8,905.54 is: 13,358.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,200.81 : 52,801.43 = 8,905.54 : x
  2. Step 2: Convert to fraction form
    35,200.81/52,801.43 = 8,905.54/x
  3. Step 3: Cross multiply
    35,200.81x = 52,801.43 × 8,905.54
  4. Step 4: Simplify right side
    35,200.81x = 470,225,202.39
  5. Step 5: Solve for x
    x = 470,225,202.39/35,200.81
  6. Step 6: Final answer
    x = 13,358.36

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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.