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Finding the Fourth Proportional to 8,909,992.88, 12,295,790.17 and 4,835,611.88

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Solution

The fourth proportional to 8,909,992.88, 12,295,790.17 and 4,835,611.88 is: 6,673,144.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909,992.88 : 12,295,790.17 = 4,835,611.88 : x
  2. Step 2: Convert to fraction form
    8,909,992.88/12,295,790.17 = 4,835,611.88/x
  3. Step 3: Cross multiply
    8,909,992.88x = 12,295,790.17 × 4,835,611.88
  4. Step 4: Simplify right side
    8,909,992.88x = 59,457,668,946,471.24
  5. Step 5: Solve for x
    x = 59,457,668,946,471.24/8,909,992.88
  6. Step 6: Final answer
    x = 6,673,144.39

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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.