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Finding the Fourth Proportional to 8,015.52, 11,951.50 and 8,004.56

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Solution

The fourth proportional to 8,015.52, 11,951.50 and 8,004.56 is: 11,935.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.52 : 11,951.50 = 8,004.56 : x
  2. Step 2: Convert to fraction form
    8,015.52/11,951.50 = 8,004.56/x
  3. Step 3: Cross multiply
    8,015.52x = 11,951.50 × 8,004.56
  4. Step 4: Simplify right side
    8,015.52x = 95,666,498.84
  5. Step 5: Solve for x
    x = 95,666,498.84/8,015.52
  6. Step 6: Final answer
    x = 11,935.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.