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Finding the Fourth Proportional to 8,448,002.70, 12,672,004.05 and 8,149,404.30

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Solution

The fourth proportional to 8,448,002.70, 12,672,004.05 and 8,149,404.30 is: 12,224,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448,002.70 : 12,672,004.05 = 8,149,404.30 : x
  2. Step 2: Convert to fraction form
    8,448,002.70/12,672,004.05 = 8,149,404.30/x
  3. Step 3: Cross multiply
    8,448,002.70x = 12,672,004.05 × 8,149,404.30
  4. Step 4: Simplify right side
    8,448,002.70x = 103,269,284,294,687.42
  5. Step 5: Solve for x
    x = 103,269,284,294,687.42/8,448,002.70
  6. Step 6: Final answer
    x = 12,224,106.45

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1.5x scale

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.