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Finding the Fourth Proportional to 12,609,761, 17,401,489.62 and 7,177,253

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Solution

The fourth proportional to 12,609,761, 17,401,489.62 and 7,177,253 is: 9,904,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609,761 : 17,401,489.62 = 7,177,253 : x
  2. Step 2: Convert to fraction form
    12,609,761/17,401,489.62 = 7,177,253/x
  3. Step 3: Cross multiply
    12,609,761x = 17,401,489.62 × 7,177,253
  4. Step 4: Simplify right side
    12,609,761x = 124,894,893,579,613.88
  5. Step 5: Solve for x
    x = 124,894,893,579,613.88/12,609,761
  6. Step 6: Final answer
    x = 9,904,620.20

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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.