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Finding the Fourth Proportional to 5,595,957.80, 8,393,936.70 and 5,155,058.60

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Solution

The fourth proportional to 5,595,957.80, 8,393,936.70 and 5,155,058.60 is: 7,732,587.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,595,957.80 : 8,393,936.70 = 5,155,058.60 : x
  2. Step 2: Convert to fraction form
    5,595,957.80/8,393,936.70 = 5,155,058.60/x
  3. Step 3: Cross multiply
    5,595,957.80x = 8,393,936.70 × 5,155,058.60
  4. Step 4: Simplify right side
    5,595,957.80x = 43,271,235,573,190.61
  5. Step 5: Solve for x
    x = 43,271,235,573,190.61/5,595,957.80
  6. Step 6: Final answer
    x = 7,732,587.90

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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.