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Finding the Fourth Proportional to 11,659,505.15, 17,491,499.40 and 4,470,478.40

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Solution

The fourth proportional to 11,659,505.15, 17,491,499.40 and 4,470,478.40 is: 6,706,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,659,505.15 : 17,491,499.40 = 4,470,478.40 : x
  2. Step 2: Convert to fraction form
    11,659,505.15/17,491,499.40 = 4,470,478.40/x
  3. Step 3: Cross multiply
    11,659,505.15x = 17,491,499.40 × 4,470,478.40
  4. Step 4: Simplify right side
    11,659,505.15x = 78,195,370,251,312.95
  5. Step 5: Solve for x
    x = 78,195,370,251,312.95/11,659,505.15
  6. Step 6: Final answer
    x = 6,706,577.10

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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.