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Finding the Fourth Proportional to 6,256.31, 9,393.81 and 3,931.03

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Solution

The fourth proportional to 6,256.31, 9,393.81 and 3,931.03 is: 5,902.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,256.31 : 9,393.81 = 3,931.03 : x
  2. Step 2: Convert to fraction form
    6,256.31/9,393.81 = 3,931.03/x
  3. Step 3: Cross multiply
    6,256.31x = 9,393.81 × 3,931.03
  4. Step 4: Simplify right side
    6,256.31x = 36,927,345.93
  5. Step 5: Solve for x
    x = 36,927,345.93/6,256.31
  6. Step 6: Final answer
    x = 5,902.42

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1.5x scale

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.