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Finding the Fourth Proportional to 35,365.92, 53,044.92 and 9,071.28

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Solution

The fourth proportional to 35,365.92, 53,044.92 and 9,071.28 is: 13,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,365.92 : 53,044.92 = 9,071.28 : x
  2. Step 2: Convert to fraction form
    35,365.92/53,044.92 = 9,071.28/x
  3. Step 3: Cross multiply
    35,365.92x = 53,044.92 × 9,071.28
  4. Step 4: Simplify right side
    35,365.92x = 481,185,321.90
  5. Step 5: Solve for x
    x = 481,185,321.90/35,365.92
  6. Step 6: Final answer
    x = 13,605.90

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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.