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Finding the Fourth Proportional to 13,652,768.16, 18,840,460.32 and 7,541,065.44

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Solution

The fourth proportional to 13,652,768.16, 18,840,460.32 and 7,541,065.44 is: 10,406,471.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652,768.16 : 18,840,460.32 = 7,541,065.44 : x
  2. Step 2: Convert to fraction form
    13,652,768.16/18,840,460.32 = 7,541,065.44/x
  3. Step 3: Cross multiply
    13,652,768.16x = 18,840,460.32 × 7,541,065.44
  4. Step 4: Simplify right side
    13,652,768.16x = 142,077,144,192,843.34
  5. Step 5: Solve for x
    x = 142,077,144,192,843.34/13,652,768.16
  6. Step 6: Final answer
    x = 10,406,471.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.