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Finding the Fourth Proportional to 12,701.82, 17,537.07 and 7,929.03

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Solution

The fourth proportional to 12,701.82, 17,537.07 and 7,929.03 is: 10,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701.82 : 17,537.07 = 7,929.03 : x
  2. Step 2: Convert to fraction form
    12,701.82/17,537.07 = 7,929.03/x
  3. Step 3: Cross multiply
    12,701.82x = 17,537.07 × 7,929.03
  4. Step 4: Simplify right side
    12,701.82x = 139,051,914.50
  5. Step 5: Solve for x
    x = 139,051,914.50/12,701.82
  6. Step 6: Final answer
    x = 10,947.40

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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.