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Finding the Fourth Proportional to 18,441,027.40, 27,661,541.10 and 13,055,758.60

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Solution

The fourth proportional to 18,441,027.40, 27,661,541.10 and 13,055,758.60 is: 19,583,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,027.40 : 27,661,541.10 = 13,055,758.60 : x
  2. Step 2: Convert to fraction form
    18,441,027.40/27,661,541.10 = 13,055,758.60/x
  3. Step 3: Cross multiply
    18,441,027.40x = 27,661,541.10 × 13,055,758.60
  4. Step 4: Simplify right side
    18,441,027.40x = 361,142,403,105,578.50
  5. Step 5: Solve for x
    x = 361,142,403,105,578.50/18,441,027.40
  6. Step 6: Final answer
    x = 19,583,637.90

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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.