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Finding the Fourth Proportional to 12,605.48, 17,394.52 and 7,300.64

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Solution

The fourth proportional to 12,605.48, 17,394.52 and 7,300.64 is: 10,074.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,605.48 : 17,394.52 = 7,300.64 : x
  2. Step 2: Convert to fraction form
    12,605.48/17,394.52 = 7,300.64/x
  3. Step 3: Cross multiply
    12,605.48x = 17,394.52 × 7,300.64
  4. Step 4: Simplify right side
    12,605.48x = 126,991,128.49
  5. Step 5: Solve for x
    x = 126,991,128.49/12,605.48
  6. Step 6: Final answer
    x = 10,074.28

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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.