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Finding the Fourth Proportional to 13,271.01, 18,314.06 and 7,302.53

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Solution

The fourth proportional to 13,271.01, 18,314.06 and 7,302.53 is: 10,077.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.01 : 18,314.06 = 7,302.53 : x
  2. Step 2: Convert to fraction form
    13,271.01/18,314.06 = 7,302.53/x
  3. Step 3: Cross multiply
    13,271.01x = 18,314.06 × 7,302.53
  4. Step 4: Simplify right side
    13,271.01x = 133,738,972.57
  5. Step 5: Solve for x
    x = 133,738,972.57/13,271.01
  6. Step 6: Final answer
    x = 10,077.53

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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.