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Finding the Fourth Proportional to 9,702,446.40, 14,553,669.60 and 3,311,740.80

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Solution

The fourth proportional to 9,702,446.40, 14,553,669.60 and 3,311,740.80 is: 4,967,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,702,446.40 : 14,553,669.60 = 3,311,740.80 : x
  2. Step 2: Convert to fraction form
    9,702,446.40/14,553,669.60 = 3,311,740.80/x
  3. Step 3: Cross multiply
    9,702,446.40x = 14,553,669.60 × 3,311,740.80
  4. Step 4: Simplify right side
    9,702,446.40x = 48,197,981,404,039.68
  5. Step 5: Solve for x
    x = 48,197,981,404,039.68/9,702,446.40
  6. Step 6: Final answer
    x = 4,967,611.20

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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.