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Finding the Fourth Proportional to 17,715,619.20, 26,573,428.80 and 14,524,348.80

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Solution

The fourth proportional to 17,715,619.20, 26,573,428.80 and 14,524,348.80 is: 21,786,523.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,715,619.20 : 26,573,428.80 = 14,524,348.80 : x
  2. Step 2: Convert to fraction form
    17,715,619.20/26,573,428.80 = 14,524,348.80/x
  3. Step 3: Cross multiply
    17,715,619.20x = 26,573,428.80 × 14,524,348.80
  4. Step 4: Simplify right side
    17,715,619.20x = 385,961,748,703,165.50
  5. Step 5: Solve for x
    x = 385,961,748,703,165.50/17,715,619.20
  6. Step 6: Final answer
    x = 21,786,523.20

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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.