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Finding the Fourth Proportional to 7,168.49, 9,885.72 and 4,741.59

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Solution

The fourth proportional to 7,168.49, 9,885.72 and 4,741.59 is: 6,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.49 : 9,885.72 = 4,741.59 : x
  2. Step 2: Convert to fraction form
    7,168.49/9,885.72 = 4,741.59/x
  3. Step 3: Cross multiply
    7,168.49x = 9,885.72 × 4,741.59
  4. Step 4: Simplify right side
    7,168.49x = 46,874,031.09
  5. Step 5: Solve for x
    x = 46,874,031.09/7,168.49
  6. Step 6: Final answer
    x = 6,538.90

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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.