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Finding the Fourth Proportional to 12,609,762, 17,401,491 and 7,177,254

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Solution

The fourth proportional to 12,609,762, 17,401,491 and 7,177,254 is: 9,904,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609,762 : 17,401,491 = 7,177,254 : x
  2. Step 2: Convert to fraction form
    12,609,762/17,401,491 = 7,177,254/x
  3. Step 3: Cross multiply
    12,609,762x = 17,401,491 × 7,177,254
  4. Step 4: Simplify right side
    12,609,762x = 124,894,920,885,714
  5. Step 5: Solve for x
    x = 124,894,920,885,714/12,609,762
  6. Step 6: Final answer
    x = 9,904,621.58

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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.