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Finding the Fourth Proportional to 8,845,793.76, 12,210,961.92 and 5,946,866

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Solution

The fourth proportional to 8,845,793.76, 12,210,961.92 and 5,946,866 is: 8,209,207.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845,793.76 : 12,210,961.92 = 5,946,866 : x
  2. Step 2: Convert to fraction form
    8,845,793.76/12,210,961.92 = 5,946,866/x
  3. Step 3: Cross multiply
    8,845,793.76x = 12,210,961.92 × 5,946,866
  4. Step 4: Simplify right side
    8,845,793.76x = 72,616,954,269,342.72
  5. Step 5: Solve for x
    x = 72,616,954,269,342.72/8,845,793.76
  6. Step 6: Final answer
    x = 8,209,207.25

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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.