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Finding the Fourth Proportional to 8,805,000.80, 13,191,754.80 and 7,545,288.80

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Solution

The fourth proportional to 8,805,000.80, 13,191,754.80 and 7,545,288.80 is: 11,304,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805,000.80 : 13,191,754.80 = 7,545,288.80 : x
  2. Step 2: Convert to fraction form
    8,805,000.80/13,191,754.80 = 7,545,288.80/x
  3. Step 3: Cross multiply
    8,805,000.80x = 13,191,754.80 × 7,545,288.80
  4. Step 4: Simplify right side
    8,805,000.80x = 99,535,599,744,786.25
  5. Step 5: Solve for x
    x = 99,535,599,744,786.25/8,805,000.80
  6. Step 6: Final answer
    x = 11,304,439.60

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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.