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Finding the Fourth Proportional to 13,034.18, 17,987.25 and 7,065.94

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Solution

The fourth proportional to 13,034.18, 17,987.25 and 7,065.94 is: 9,751.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,034.18 : 17,987.25 = 7,065.94 : x
  2. Step 2: Convert to fraction form
    13,034.18/17,987.25 = 7,065.94/x
  3. Step 3: Cross multiply
    13,034.18x = 17,987.25 × 7,065.94
  4. Step 4: Simplify right side
    13,034.18x = 127,096,810.79
  5. Step 5: Solve for x
    x = 127,096,810.79/13,034.18
  6. Step 6: Final answer
    x = 9,751.04

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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.