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Finding the Fourth Proportional to 14,036,385.20, 21,054,577.80 and 14,036,385.20

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Solution

The fourth proportional to 14,036,385.20, 21,054,577.80 and 14,036,385.20 is: 21,054,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036,385.20 : 21,054,577.80 = 14,036,385.20 : x
  2. Step 2: Convert to fraction form
    14,036,385.20/21,054,577.80 = 14,036,385.20/x
  3. Step 3: Cross multiply
    14,036,385.20x = 21,054,577.80 × 14,036,385.20
  4. Step 4: Simplify right side
    14,036,385.20x = 295,530,164,224,168.56
  5. Step 5: Solve for x
    x = 295,530,164,224,168.56/14,036,385.20
  6. Step 6: Final answer
    x = 21,054,577.80

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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.