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Finding the Fourth Proportional to 6,810.57, 9,395.87 and 4,292.01

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Solution

The fourth proportional to 6,810.57, 9,395.87 and 4,292.01 is: 5,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.57 : 9,395.87 = 4,292.01 : x
  2. Step 2: Convert to fraction form
    6,810.57/9,395.87 = 4,292.01/x
  3. Step 3: Cross multiply
    6,810.57x = 9,395.87 × 4,292.01
  4. Step 4: Simplify right side
    6,810.57x = 40,327,146.54
  5. Step 5: Solve for x
    x = 40,327,146.54/6,810.57
  6. Step 6: Final answer
    x = 5,921.26

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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.