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Finding the Fourth Proportional to 35,371.72, 53,059.47 and 9,076.69

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Solution

The fourth proportional to 35,371.72, 53,059.47 and 9,076.69 is: 13,615.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,371.72 : 53,059.47 = 9,076.69 : x
  2. Step 2: Convert to fraction form
    35,371.72/53,059.47 = 9,076.69/x
  3. Step 3: Cross multiply
    35,371.72x = 53,059.47 × 9,076.69
  4. Step 4: Simplify right side
    35,371.72x = 481,604,050.07
  5. Step 5: Solve for x
    x = 481,604,050.07/35,371.72
  6. Step 6: Final answer
    x = 13,615.51

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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.