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Finding the Fourth Proportional to 6,873,911.40, 10,310,867.10 and 6,873,911.40

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Solution

The fourth proportional to 6,873,911.40, 10,310,867.10 and 6,873,911.40 is: 10,310,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873,911.40 : 10,310,867.10 = 6,873,911.40 : x
  2. Step 2: Convert to fraction form
    6,873,911.40/10,310,867.10 = 6,873,911.40/x
  3. Step 3: Cross multiply
    6,873,911.40x = 10,310,867.10 × 6,873,911.40
  4. Step 4: Simplify right side
    6,873,911.40x = 70,875,986,902,574.94
  5. Step 5: Solve for x
    x = 70,875,986,902,574.94/6,873,911.40
  6. Step 6: Final answer
    x = 10,310,867.10

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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.