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Finding the Fourth Proportional to 10,361,662.45, 15,542,493.68 and 9,731,288.05

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Solution

The fourth proportional to 10,361,662.45, 15,542,493.68 and 9,731,288.05 is: 14,596,932.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,662.45 : 15,542,493.68 = 9,731,288.05 : x
  2. Step 2: Convert to fraction form
    10,361,662.45/15,542,493.68 = 9,731,288.05/x
  3. Step 3: Cross multiply
    10,361,662.45x = 15,542,493.68 × 9,731,288.05
  4. Step 4: Simplify right side
    10,361,662.45x = 151,248,483,015,384.53
  5. Step 5: Solve for x
    x = 151,248,483,015,384.53/10,361,662.45
  6. Step 6: Final answer
    x = 14,596,932.08

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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.