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Finding the Fourth Proportional to 7,926.53, 10,913.72 and 6,729.04

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Solution

The fourth proportional to 7,926.53, 10,913.72 and 6,729.04 is: 9,264.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.53 : 10,913.72 = 6,729.04 : x
  2. Step 2: Convert to fraction form
    7,926.53/10,913.72 = 6,729.04/x
  3. Step 3: Cross multiply
    7,926.53x = 10,913.72 × 6,729.04
  4. Step 4: Simplify right side
    7,926.53x = 73,438,830.23
  5. Step 5: Solve for x
    x = 73,438,830.23/7,926.53
  6. Step 6: Final answer
    x = 9,264.94

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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.