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Finding the Fourth Proportional to 6,453.26, 9,681.26 and 2,073.79

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Solution

The fourth proportional to 6,453.26, 9,681.26 and 2,073.79 is: 3,111.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.26 : 9,681.26 = 2,073.79 : x
  2. Step 2: Convert to fraction form
    6,453.26/9,681.26 = 2,073.79/x
  3. Step 3: Cross multiply
    6,453.26x = 9,681.26 × 2,073.79
  4. Step 4: Simplify right side
    6,453.26x = 20,076,900.18
  5. Step 5: Solve for x
    x = 20,076,900.18/6,453.26
  6. Step 6: Final answer
    x = 3,111.13

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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.