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Finding the Fourth Proportional to 5,562,953.93, 8,345,372.92 and 1,918,694.27

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Solution

The fourth proportional to 5,562,953.93, 8,345,372.92 and 1,918,694.27 is: 2,878,366.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,562,953.93 : 8,345,372.92 = 1,918,694.27 : x
  2. Step 2: Convert to fraction form
    5,562,953.93/8,345,372.92 = 1,918,694.27/x
  3. Step 3: Cross multiply
    5,562,953.93x = 8,345,372.92 × 1,918,694.27
  4. Step 4: Simplify right side
    5,562,953.93x = 16,012,219,202,617.17
  5. Step 5: Solve for x
    x = 16,012,219,202,617.17/5,562,953.93
  6. Step 6: Final answer
    x = 2,878,366.31

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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.