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Finding the Fourth Proportional to 35,474.79, 53,208.06 and 9,177.48

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Solution

The fourth proportional to 35,474.79, 53,208.06 and 9,177.48 is: 13,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,474.79 : 53,208.06 = 9,177.48 : x
  2. Step 2: Convert to fraction form
    35,474.79/53,208.06 = 9,177.48/x
  3. Step 3: Cross multiply
    35,474.79x = 53,208.06 × 9,177.48
  4. Step 4: Simplify right side
    35,474.79x = 488,315,906.49
  5. Step 5: Solve for x
    x = 488,315,906.49/35,474.79
  6. Step 6: Final answer
    x = 13,765.15

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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.