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Finding the Fourth Proportional to 6,505.92, 8,977.60 and 3,852.88

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Solution

The fourth proportional to 6,505.92, 8,977.60 and 3,852.88 is: 5,316.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.92 : 8,977.60 = 3,852.88 : x
  2. Step 2: Convert to fraction form
    6,505.92/8,977.60 = 3,852.88/x
  3. Step 3: Cross multiply
    6,505.92x = 8,977.60 × 3,852.88
  4. Step 4: Simplify right side
    6,505.92x = 34,589,615.49
  5. Step 5: Solve for x
    x = 34,589,615.49/6,505.92
  6. Step 6: Final answer
    x = 5,316.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.