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Finding the Fourth Proportional to 11,674,436.80, 17,503,360.80 and 5,287,748.80

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Solution

The fourth proportional to 11,674,436.80, 17,503,360.80 and 5,287,748.80 is: 7,927,866.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,674,436.80 : 17,503,360.80 = 5,287,748.80 : x
  2. Step 2: Convert to fraction form
    11,674,436.80/17,503,360.80 = 5,287,748.80/x
  3. Step 3: Cross multiply
    11,674,436.80x = 17,503,360.80 × 5,287,748.80
  4. Step 4: Simplify right side
    11,674,436.80x = 92,553,375,066,167.05
  5. Step 5: Solve for x
    x = 92,553,375,066,167.05/11,674,436.80
  6. Step 6: Final answer
    x = 7,927,866.38

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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.