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Finding the Fourth Proportional to 6,624,009.80, 9,922,017.90 and 6,624,009.80

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Solution

The fourth proportional to 6,624,009.80, 9,922,017.90 and 6,624,009.80 is: 9,922,017.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624,009.80 : 9,922,017.90 = 6,624,009.80 : x
  2. Step 2: Convert to fraction form
    6,624,009.80/9,922,017.90 = 6,624,009.80/x
  3. Step 3: Cross multiply
    6,624,009.80x = 9,922,017.90 × 6,624,009.80
  4. Step 4: Simplify right side
    6,624,009.80x = 65,723,543,805,375.42
  5. Step 5: Solve for x
    x = 65,723,543,805,375.42/6,624,009.80
  6. Step 6: Final answer
    x = 9,922,017.90

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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.