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Finding the Fourth Proportional to 8,034.51, 11,108.79 and 7,036.94

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Solution

The fourth proportional to 8,034.51, 11,108.79 and 7,036.94 is: 9,729.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,034.51 : 11,108.79 = 7,036.94 : x
  2. Step 2: Convert to fraction form
    8,034.51/11,108.79 = 7,036.94/x
  3. Step 3: Cross multiply
    8,034.51x = 11,108.79 × 7,036.94
  4. Step 4: Simplify right side
    8,034.51x = 78,171,833.16
  5. Step 5: Solve for x
    x = 78,171,833.16/8,034.51
  6. Step 6: Final answer
    x = 9,729.51

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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.