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Finding the Fourth Proportional to 6,951.81, 10,430.28 and 3,255.24

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Solution

The fourth proportional to 6,951.81, 10,430.28 and 3,255.24 is: 4,884.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,951.81 : 10,430.28 = 3,255.24 : x
  2. Step 2: Convert to fraction form
    6,951.81/10,430.28 = 3,255.24/x
  3. Step 3: Cross multiply
    6,951.81x = 10,430.28 × 3,255.24
  4. Step 4: Simplify right side
    6,951.81x = 33,953,064.67
  5. Step 5: Solve for x
    x = 33,953,064.67/6,951.81
  6. Step 6: Final answer
    x = 4,884.06

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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.