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Finding the Fourth Proportional to 18,441,952.80, 27,662,929.20 and 9,372,026.40

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Solution

The fourth proportional to 18,441,952.80, 27,662,929.20 and 9,372,026.40 is: 14,058,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,952.80 : 27,662,929.20 = 9,372,026.40 : x
  2. Step 2: Convert to fraction form
    18,441,952.80/27,662,929.20 = 9,372,026.40/x
  3. Step 3: Cross multiply
    18,441,952.80x = 27,662,929.20 × 9,372,026.40
  4. Step 4: Simplify right side
    18,441,952.80x = 259,257,702,763,730.88
  5. Step 5: Solve for x
    x = 259,257,702,763,730.88/18,441,952.80
  6. Step 6: Final answer
    x = 14,058,039.60

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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.