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Finding the Fourth Proportional to 8,404,606.17, 11,676,657.67 and 8,303,829.21

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Solution

The fourth proportional to 8,404,606.17, 11,676,657.67 and 8,303,829.21 is: 11,536,646.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404,606.17 : 11,676,657.67 = 8,303,829.21 : x
  2. Step 2: Convert to fraction form
    8,404,606.17/11,676,657.67 = 8,303,829.21/x
  3. Step 3: Cross multiply
    8,404,606.17x = 11,676,657.67 × 8,303,829.21
  4. Step 4: Simplify right side
    8,404,606.17x = 96,960,971,014,556.97
  5. Step 5: Solve for x
    x = 96,960,971,014,556.97/8,404,606.17
  6. Step 6: Final answer
    x = 11,536,646.58

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.