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Finding the Fourth Proportional to 8,623,407.88, 11,897,297.49 and 5,527,637.88

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Solution

The fourth proportional to 8,623,407.88, 11,897,297.49 and 5,527,637.88 is: 7,626,213.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623,407.88 : 11,897,297.49 = 5,527,637.88 : x
  2. Step 2: Convert to fraction form
    8,623,407.88/11,897,297.49 = 5,527,637.88/x
  3. Step 3: Cross multiply
    8,623,407.88x = 11,897,297.49 × 5,527,637.88
  4. Step 4: Simplify right side
    8,623,407.88x = 65,763,952,275,352.92
  5. Step 5: Solve for x
    x = 65,763,952,275,352.92/8,623,407.88
  6. Step 6: Final answer
    x = 7,626,213.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.