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Finding the Fourth Proportional to 6,367.31, 9,549.32 and 1,982.51

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Solution

The fourth proportional to 6,367.31, 9,549.32 and 1,982.51 is: 2,973.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,367.31 : 9,549.32 = 1,982.51 : x
  2. Step 2: Convert to fraction form
    6,367.31/9,549.32 = 1,982.51/x
  3. Step 3: Cross multiply
    6,367.31x = 9,549.32 × 1,982.51
  4. Step 4: Simplify right side
    6,367.31x = 18,931,564.73
  5. Step 5: Solve for x
    x = 18,931,564.73/6,367.31
  6. Step 6: Final answer
    x = 2,973.25

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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.