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Finding the Fourth Proportional to 6,483.79, 9,726.19 and 3,195.09

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Solution

The fourth proportional to 6,483.79, 9,726.19 and 3,195.09 is: 4,792.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,483.79 : 9,726.19 = 3,195.09 : x
  2. Step 2: Convert to fraction form
    6,483.79/9,726.19 = 3,195.09/x
  3. Step 3: Cross multiply
    6,483.79x = 9,726.19 × 3,195.09
  4. Step 4: Simplify right side
    6,483.79x = 31,076,052.41
  5. Step 5: Solve for x
    x = 31,076,052.41/6,483.79
  6. Step 6: Final answer
    x = 4,792.88

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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.