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Finding the Fourth Proportional to 8,528.54, 12,789.95 and 3,262.32

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Solution

The fourth proportional to 8,528.54, 12,789.95 and 3,262.32 is: 4,892.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.54 : 12,789.95 = 3,262.32 : x
  2. Step 2: Convert to fraction form
    8,528.54/12,789.95 = 3,262.32/x
  3. Step 3: Cross multiply
    8,528.54x = 12,789.95 × 3,262.32
  4. Step 4: Simplify right side
    8,528.54x = 41,724,893.37
  5. Step 5: Solve for x
    x = 41,724,893.37/8,528.54
  6. Step 6: Final answer
    x = 4,892.39

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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.