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Finding the Fourth Proportional to 7,828,388.42, 11,744,269.07 and 2,363,025.42

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Solution

The fourth proportional to 7,828,388.42, 11,744,269.07 and 2,363,025.42 is: 3,545,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828,388.42 : 11,744,269.07 = 2,363,025.42 : x
  2. Step 2: Convert to fraction form
    7,828,388.42/11,744,269.07 = 2,363,025.42/x
  3. Step 3: Cross multiply
    7,828,388.42x = 11,744,269.07 × 2,363,025.42
  4. Step 4: Simplify right side
    7,828,388.42x = 27,752,006,339,914.63
  5. Step 5: Solve for x
    x = 27,752,006,339,914.63/7,828,388.42
  6. Step 6: Final answer
    x = 3,545,047.19

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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.