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Finding the Fourth Proportional to 8,463,941.40, 12,695,912.10 and 8,044,037.40

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Solution

The fourth proportional to 8,463,941.40, 12,695,912.10 and 8,044,037.40 is: 12,066,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463,941.40 : 12,695,912.10 = 8,044,037.40 : x
  2. Step 2: Convert to fraction form
    8,463,941.40/12,695,912.10 = 8,044,037.40/x
  3. Step 3: Cross multiply
    8,463,941.40x = 12,695,912.10 × 8,044,037.40
  4. Step 4: Simplify right side
    8,463,941.40x = 102,126,391,759,512.55
  5. Step 5: Solve for x
    x = 102,126,391,759,512.55/8,463,941.40
  6. Step 6: Final answer
    x = 12,066,056.10

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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.