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Finding the Fourth Proportional to 8,839,395.60, 13,259,093.40 and 3,159,805.20

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Solution

The fourth proportional to 8,839,395.60, 13,259,093.40 and 3,159,805.20 is: 4,739,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839,395.60 : 13,259,093.40 = 3,159,805.20 : x
  2. Step 2: Convert to fraction form
    8,839,395.60/13,259,093.40 = 3,159,805.20/x
  3. Step 3: Cross multiply
    8,839,395.60x = 13,259,093.40 × 3,159,805.20
  4. Step 4: Simplify right side
    8,839,395.60x = 41,896,152,272,605.69
  5. Step 5: Solve for x
    x = 41,896,152,272,605.69/8,839,395.60
  6. Step 6: Final answer
    x = 4,739,707.80

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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.