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Finding the Fourth Proportional to 43,655,362.12, 65,489,769.42 and 14,894,793.64

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Solution

The fourth proportional to 43,655,362.12, 65,489,769.42 and 14,894,793.64 is: 22,344,485.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,655,362.12 : 65,489,769.42 = 14,894,793.64 : x
  2. Step 2: Convert to fraction form
    43,655,362.12/65,489,769.42 = 14,894,793.64/x
  3. Step 3: Cross multiply
    43,655,362.12x = 65,489,769.42 × 14,894,793.64
  4. Step 4: Simplify right side
    43,655,362.12x = 975,456,601,042,082.50
  5. Step 5: Solve for x
    x = 975,456,601,042,082.50/43,655,362.12
  6. Step 6: Final answer
    x = 22,344,485.39

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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.