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Finding the Fourth Proportional to 8,696,596.80, 13,044,895.20 and 5,505,326.40

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Solution

The fourth proportional to 8,696,596.80, 13,044,895.20 and 5,505,326.40 is: 8,257,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696,596.80 : 13,044,895.20 = 5,505,326.40 : x
  2. Step 2: Convert to fraction form
    8,696,596.80/13,044,895.20 = 5,505,326.40/x
  3. Step 3: Cross multiply
    8,696,596.80x = 13,044,895.20 × 5,505,326.40
  4. Step 4: Simplify right side
    8,696,596.80x = 71,816,405,929,793.28
  5. Step 5: Solve for x
    x = 71,816,405,929,793.28/8,696,596.80
  6. Step 6: Final answer
    x = 8,257,989.60

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Similar ratio
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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.