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Finding the Fourth Proportional to 8,268.52, 11,409.60 and 4,731.52

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Solution

The fourth proportional to 8,268.52, 11,409.60 and 4,731.52 is: 6,528.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.52 : 11,409.60 = 4,731.52 : x
  2. Step 2: Convert to fraction form
    8,268.52/11,409.60 = 4,731.52/x
  3. Step 3: Cross multiply
    8,268.52x = 11,409.60 × 4,731.52
  4. Step 4: Simplify right side
    8,268.52x = 53,984,750.59
  5. Step 5: Solve for x
    x = 53,984,750.59/8,268.52
  6. Step 6: Final answer
    x = 6,528.95

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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.