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Finding the Fourth Proportional to 8,674,991.56, 11,971,519.52 and 4,807,578.52

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Solution

The fourth proportional to 8,674,991.56, 11,971,519.52 and 4,807,578.52 is: 6,634,475.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674,991.56 : 11,971,519.52 = 4,807,578.52 : x
  2. Step 2: Convert to fraction form
    8,674,991.56/11,971,519.52 = 4,807,578.52/x
  3. Step 3: Cross multiply
    8,674,991.56x = 11,971,519.52 × 4,807,578.52
  4. Step 4: Simplify right side
    8,674,991.56x = 57,554,020,096,112.70
  5. Step 5: Solve for x
    x = 57,554,020,096,112.70/8,674,991.56
  6. Step 6: Final answer
    x = 6,634,475.63

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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.