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Finding the Fourth Proportional to 6,995,473.78, 9,653,624.47 and 3,812,928.64

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Solution

The fourth proportional to 6,995,473.78, 9,653,624.47 and 3,812,928.64 is: 5,261,771.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995,473.78 : 9,653,624.47 = 3,812,928.64 : x
  2. Step 2: Convert to fraction form
    6,995,473.78/9,653,624.47 = 3,812,928.64/x
  3. Step 3: Cross multiply
    6,995,473.78x = 9,653,624.47 × 3,812,928.64
  4. Step 4: Simplify right side
    6,995,473.78x = 36,808,581,269,026.45
  5. Step 5: Solve for x
    x = 36,808,581,269,026.45/6,995,473.78
  6. Step 6: Final answer
    x = 5,261,771.03

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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.