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Finding the Fourth Proportional to 12,718.01, 17,551.06 and 7,053

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Solution

The fourth proportional to 12,718.01, 17,551.06 and 7,053 is: 9,733.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718.01 : 17,551.06 = 7,053 : x
  2. Step 2: Convert to fraction form
    12,718.01/17,551.06 = 7,053/x
  3. Step 3: Cross multiply
    12,718.01x = 17,551.06 × 7,053
  4. Step 4: Simplify right side
    12,718.01x = 123,787,608.55
  5. Step 5: Solve for x
    x = 123,787,608.55/12,718.01
  6. Step 6: Final answer
    x = 9,733.26

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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.