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Finding the Fourth Proportional to 8,669,953.60, 13,004,930.40 and 5,646,644.80

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Solution

The fourth proportional to 8,669,953.60, 13,004,930.40 and 5,646,644.80 is: 8,469,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669,953.60 : 13,004,930.40 = 5,646,644.80 : x
  2. Step 2: Convert to fraction form
    8,669,953.60/13,004,930.40 = 5,646,644.80/x
  3. Step 3: Cross multiply
    8,669,953.60x = 13,004,930.40 × 5,646,644.80
  4. Step 4: Simplify right side
    8,669,953.60x = 73,434,222,617,521.92
  5. Step 5: Solve for x
    x = 73,434,222,617,521.92/8,669,953.60
  6. Step 6: Final answer
    x = 8,469,967.20

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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.