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Finding the Fourth Proportional to 11,803,532.20, 17,680,415.10 and 11,803,532.20

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Solution

The fourth proportional to 11,803,532.20, 17,680,415.10 and 11,803,532.20 is: 17,680,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803,532.20 : 17,680,415.10 = 11,803,532.20 : x
  2. Step 2: Convert to fraction form
    11,803,532.20/17,680,415.10 = 11,803,532.20/x
  3. Step 3: Cross multiply
    11,803,532.20x = 17,680,415.10 × 11,803,532.20
  4. Step 4: Simplify right side
    11,803,532.20x = 208,691,348,942,216.22
  5. Step 5: Solve for x
    x = 208,691,348,942,216.22/11,803,532.20
  6. Step 6: Final answer
    x = 17,680,415.10

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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.