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Finding the Fourth Proportional to 10,944,041.20, 16,392,442.20 and 9,054,473.20

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Solution

The fourth proportional to 10,944,041.20, 16,392,442.20 and 9,054,473.20 is: 13,562,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,944,041.20 : 16,392,442.20 = 9,054,473.20 : x
  2. Step 2: Convert to fraction form
    10,944,041.20/16,392,442.20 = 9,054,473.20/x
  3. Step 3: Cross multiply
    10,944,041.20x = 16,392,442.20 × 9,054,473.20
  4. Step 4: Simplify right side
    10,944,041.20x = 148,424,928,582,449.03
  5. Step 5: Solve for x
    x = 148,424,928,582,449.03/10,944,041.20
  6. Step 6: Final answer
    x = 13,562,168.30

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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.