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Finding the Fourth Proportional to 4,855,876.80, 6,785,630.40 and 4,855,876.80

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Solution

The fourth proportional to 4,855,876.80, 6,785,630.40 and 4,855,876.80 is: 6,785,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855,876.80 : 6,785,630.40 = 4,855,876.80 : x
  2. Step 2: Convert to fraction form
    4,855,876.80/6,785,630.40 = 4,855,876.80/x
  3. Step 3: Cross multiply
    4,855,876.80x = 6,785,630.40 × 4,855,876.80
  4. Step 4: Simplify right side
    4,855,876.80x = 32,950,185,232,734.72
  5. Step 5: Solve for x
    x = 32,950,185,232,734.72/4,855,876.80
  6. Step 6: Final answer
    x = 6,785,630.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.