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Finding the Fourth Proportional to 11,714,810.40, 17,582,713.20 and 10,119,175.20

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Solution

The fourth proportional to 11,714,810.40, 17,582,713.20 and 10,119,175.20 is: 15,187,830.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,714,810.40 : 17,582,713.20 = 10,119,175.20 : x
  2. Step 2: Convert to fraction form
    11,714,810.40/17,582,713.20 = 10,119,175.20/x
  3. Step 3: Cross multiply
    11,714,810.40x = 17,582,713.20 × 10,119,175.20
  4. Step 4: Simplify right side
    11,714,810.40x = 177,922,555,362,152.62
  5. Step 5: Solve for x
    x = 177,922,555,362,152.62/11,714,810.40
  6. Step 6: Final answer
    x = 15,187,830.56

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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.