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Finding the Fourth Proportional to 7,687,741.76, 10,609,305.04 and 4,250,204.22

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Solution

The fourth proportional to 7,687,741.76, 10,609,305.04 and 4,250,204.22 is: 5,865,404.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687,741.76 : 10,609,305.04 = 4,250,204.22 : x
  2. Step 2: Convert to fraction form
    7,687,741.76/10,609,305.04 = 4,250,204.22/x
  3. Step 3: Cross multiply
    7,687,741.76x = 10,609,305.04 × 4,250,204.22
  4. Step 4: Simplify right side
    7,687,741.76x = 45,091,713,097,372.91
  5. Step 5: Solve for x
    x = 45,091,713,097,372.91/7,687,741.76
  6. Step 6: Final answer
    x = 5,865,404.24

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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.