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Finding the Fourth Proportional to 6,413,480.04, 9,620,220.07 and 1,621,169.30

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Solution

The fourth proportional to 6,413,480.04, 9,620,220.07 and 1,621,169.30 is: 2,431,753.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413,480.04 : 9,620,220.07 = 1,621,169.30 : x
  2. Step 2: Convert to fraction form
    6,413,480.04/9,620,220.07 = 1,621,169.30/x
  3. Step 3: Cross multiply
    6,413,480.04x = 9,620,220.07 × 1,621,169.30
  4. Step 4: Simplify right side
    6,413,480.04x = 15,596,005,453,685.79
  5. Step 5: Solve for x
    x = 15,596,005,453,685.79/6,413,480.04
  6. Step 6: Final answer
    x = 2,431,753.96

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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.