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Finding the Fourth Proportional to 34,679,865.80, 52,004,052.30 and 13,107,297.80

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Solution

The fourth proportional to 34,679,865.80, 52,004,052.30 and 13,107,297.80 is: 19,654,995.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,679,865.80 : 52,004,052.30 = 13,107,297.80 : x
  2. Step 2: Convert to fraction form
    34,679,865.80/52,004,052.30 = 13,107,297.80/x
  3. Step 3: Cross multiply
    34,679,865.80x = 52,004,052.30 × 13,107,297.80
  4. Step 4: Simplify right side
    34,679,865.80x = 681,632,600,302,875
  5. Step 5: Solve for x
    x = 681,632,600,302,875/34,679,865.80
  6. Step 6: Final answer
    x = 19,654,995.33

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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.