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Finding the Fourth Proportional to 6,918.03, 9,549.72 and 5,239.44

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Solution

The fourth proportional to 6,918.03, 9,549.72 and 5,239.44 is: 7,232.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.03 : 9,549.72 = 5,239.44 : x
  2. Step 2: Convert to fraction form
    6,918.03/9,549.72 = 5,239.44/x
  3. Step 3: Cross multiply
    6,918.03x = 9,549.72 × 5,239.44
  4. Step 4: Simplify right side
    6,918.03x = 50,035,184.96
  5. Step 5: Solve for x
    x = 50,035,184.96/6,918.03
  6. Step 6: Final answer
    x = 7,232.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.