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Finding the Fourth Proportional to 8,581,818.04, 11,846,016.54 and 5,682,143.08

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Solution

The fourth proportional to 8,581,818.04, 11,846,016.54 and 5,682,143.08 is: 7,843,415.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581,818.04 : 11,846,016.54 = 5,682,143.08 : x
  2. Step 2: Convert to fraction form
    8,581,818.04/11,846,016.54 = 5,682,143.08/x
  3. Step 3: Cross multiply
    8,581,818.04x = 11,846,016.54 × 5,682,143.08
  4. Step 4: Simplify right side
    8,581,818.04x = 67,310,760,908,326.54
  5. Step 5: Solve for x
    x = 67,310,760,908,326.54/8,581,818.04
  6. Step 6: Final answer
    x = 7,843,415.07

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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.