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Finding the Fourth Proportional to 16,721,241.22, 25,080,644.02 and 7,502,068.45

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Solution

The fourth proportional to 16,721,241.22, 25,080,644.02 and 7,502,068.45 is: 11,252,556.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721,241.22 : 25,080,644.02 = 7,502,068.45 : x
  2. Step 2: Convert to fraction form
    16,721,241.22/25,080,644.02 = 7,502,068.45/x
  3. Step 3: Cross multiply
    16,721,241.22x = 25,080,644.02 × 7,502,068.45
  4. Step 4: Simplify right side
    16,721,241.22x = 188,156,708,045,209.62
  5. Step 5: Solve for x
    x = 188,156,708,045,209.62/16,721,241.22
  6. Step 6: Final answer
    x = 11,252,556.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.