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Finding the Fourth Proportional to 6,537.56, 9,784.18 and 3,942.32

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Solution

The fourth proportional to 6,537.56, 9,784.18 and 3,942.32 is: 5,900.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,537.56 : 9,784.18 = 3,942.32 : x
  2. Step 2: Convert to fraction form
    6,537.56/9,784.18 = 3,942.32/x
  3. Step 3: Cross multiply
    6,537.56x = 9,784.18 × 3,942.32
  4. Step 4: Simplify right side
    6,537.56x = 38,572,368.50
  5. Step 5: Solve for x
    x = 38,572,368.50/6,537.56
  6. Step 6: Final answer
    x = 5,900.12

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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.