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Finding the Fourth Proportional to 5,784,671.40, 8,677,007.10 and 2,798,687.40

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Solution

The fourth proportional to 5,784,671.40, 8,677,007.10 and 2,798,687.40 is: 4,198,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,784,671.40 : 8,677,007.10 = 2,798,687.40 : x
  2. Step 2: Convert to fraction form
    5,784,671.40/8,677,007.10 = 2,798,687.40/x
  3. Step 3: Cross multiply
    5,784,671.40x = 8,677,007.10 × 2,798,687.40
  4. Step 4: Simplify right side
    5,784,671.40x = 24,284,230,440,480.54
  5. Step 5: Solve for x
    x = 24,284,230,440,480.54/5,784,671.40
  6. Step 6: Final answer
    x = 4,198,031.10

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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.