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Finding the Fourth Proportional to 8,066,863.80, 11,302,007.40 and 8,066,863.80

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Solution

The fourth proportional to 8,066,863.80, 11,302,007.40 and 8,066,863.80 is: 11,302,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066,863.80 : 11,302,007.40 = 8,066,863.80 : x
  2. Step 2: Convert to fraction form
    8,066,863.80/11,302,007.40 = 8,066,863.80/x
  3. Step 3: Cross multiply
    8,066,863.80x = 11,302,007.40 × 8,066,863.80
  4. Step 4: Simplify right side
    8,066,863.80x = 91,171,754,362,392.12
  5. Step 5: Solve for x
    x = 91,171,754,362,392.12/8,066,863.80
  6. Step 6: Final answer
    x = 11,302,007.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.