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Finding the Fourth Proportional to 8,663,234.82, 11,955,358.53 and 4,795,820.57

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Solution

The fourth proportional to 8,663,234.82, 11,955,358.53 and 4,795,820.57 is: 6,618,284.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,663,234.82 : 11,955,358.53 = 4,795,820.57 : x
  2. Step 2: Convert to fraction form
    8,663,234.82/11,955,358.53 = 4,795,820.57/x
  3. Step 3: Cross multiply
    8,663,234.82x = 11,955,358.53 × 4,795,820.57
  4. Step 4: Simplify right side
    8,663,234.82x = 57,335,754,300,122.17
  5. Step 5: Solve for x
    x = 57,335,754,300,122.17/8,663,234.82
  6. Step 6: Final answer
    x = 6,618,284.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.