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Finding the Fourth Proportional to 18,533.77, 27,796.47 and 8,528.91

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Solution

The fourth proportional to 18,533.77, 27,796.47 and 8,528.91 is: 12,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,533.77 : 27,796.47 = 8,528.91 : x
  2. Step 2: Convert to fraction form
    18,533.77/27,796.47 = 8,528.91/x
  3. Step 3: Cross multiply
    18,533.77x = 27,796.47 × 8,528.91
  4. Step 4: Simplify right side
    18,533.77x = 237,073,486.71
  5. Step 5: Solve for x
    x = 237,073,486.71/18,533.77
  6. Step 6: Final answer
    x = 12,791.44

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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.