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Finding the Fourth Proportional to 7,791,245.82, 10,751,731.55 and 4,258,885.44

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Solution

The fourth proportional to 7,791,245.82, 10,751,731.55 and 4,258,885.44 is: 5,877,159.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791,245.82 : 10,751,731.55 = 4,258,885.44 : x
  2. Step 2: Convert to fraction form
    7,791,245.82/10,751,731.55 = 4,258,885.44/x
  3. Step 3: Cross multiply
    7,791,245.82x = 10,751,731.55 × 4,258,885.44
  4. Step 4: Simplify right side
    7,791,245.82x = 45,790,392,953,083.64
  5. Step 5: Solve for x
    x = 45,790,392,953,083.64/7,791,245.82
  6. Step 6: Final answer
    x = 5,877,159.32

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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.