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Finding the Fourth Proportional to 8,695,951.90, 12,005,072.60 and 6,704,738.52

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Solution

The fourth proportional to 8,695,951.90, 12,005,072.60 and 6,704,738.52 is: 9,256,131.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695,951.90 : 12,005,072.60 = 6,704,738.52 : x
  2. Step 2: Convert to fraction form
    8,695,951.90/12,005,072.60 = 6,704,738.52/x
  3. Step 3: Cross multiply
    8,695,951.90x = 12,005,072.60 × 6,704,738.52
  4. Step 4: Simplify right side
    8,695,951.90x = 80,490,872,696,616.55
  5. Step 5: Solve for x
    x = 80,490,872,696,616.55/8,695,951.90
  6. Step 6: Final answer
    x = 9,256,131.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.