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Finding the Fourth Proportional to 6,561, 9,842.48 and 2,343.93

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Solution

The fourth proportional to 6,561, 9,842.48 and 2,343.93 is: 3,516.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561 : 9,842.48 = 2,343.93 : x
  2. Step 2: Convert to fraction form
    6,561/9,842.48 = 2,343.93/x
  3. Step 3: Cross multiply
    6,561x = 9,842.48 × 2,343.93
  4. Step 4: Simplify right side
    6,561x = 23,070,072.43
  5. Step 5: Solve for x
    x = 23,070,072.43/6,561
  6. Step 6: Final answer
    x = 3,516.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.