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Finding the Fourth Proportional to 12,700.36, 17,525.92 and 7,035.32

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Solution

The fourth proportional to 12,700.36, 17,525.92 and 7,035.32 is: 9,708.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,700.36 : 17,525.92 = 7,035.32 : x
  2. Step 2: Convert to fraction form
    12,700.36/17,525.92 = 7,035.32/x
  3. Step 3: Cross multiply
    12,700.36x = 17,525.92 × 7,035.32
  4. Step 4: Simplify right side
    12,700.36x = 123,300,455.49
  5. Step 5: Solve for x
    x = 123,300,455.49/12,700.36
  6. Step 6: Final answer
    x = 9,708.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.