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Finding the Fourth Proportional to 6,918.36, 10,333.41 and 6,259.22

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Solution

The fourth proportional to 6,918.36, 10,333.41 and 6,259.22 is: 9,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.36 : 10,333.41 = 6,259.22 : x
  2. Step 2: Convert to fraction form
    6,918.36/10,333.41 = 6,259.22/x
  3. Step 3: Cross multiply
    6,918.36x = 10,333.41 × 6,259.22
  4. Step 4: Simplify right side
    6,918.36x = 64,679,034.87
  5. Step 5: Solve for x
    x = 64,679,034.87/6,918.36
  6. Step 6: Final answer
    x = 9,348.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.