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Finding the Fourth Proportional to 8,257,130.55, 12,385,695.83 and 8,257,130.55

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Solution

The fourth proportional to 8,257,130.55, 12,385,695.83 and 8,257,130.55 is: 12,385,695.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257,130.55 : 12,385,695.83 = 8,257,130.55 : x
  2. Step 2: Convert to fraction form
    8,257,130.55/12,385,695.83 = 8,257,130.55/x
  3. Step 3: Cross multiply
    8,257,130.55x = 12,385,695.83 × 8,257,130.55
  4. Step 4: Simplify right side
    8,257,130.55x = 102,270,307,379,614.94
  5. Step 5: Solve for x
    x = 102,270,307,379,614.94/8,257,130.55
  6. Step 6: Final answer
    x = 12,385,695.83

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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.