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Finding the Fourth Proportional to 2,636,912, 3,953,022.24 and 953,641.28

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Solution

The fourth proportional to 2,636,912, 3,953,022.24 and 953,641.28 is: 1,429,613.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636,912 : 3,953,022.24 = 953,641.28 : x
  2. Step 2: Convert to fraction form
    2,636,912/3,953,022.24 = 953,641.28/x
  3. Step 3: Cross multiply
    2,636,912x = 3,953,022.24 × 953,641.28
  4. Step 4: Simplify right side
    2,636,912x = 3,769,765,188,822.07
  5. Step 5: Solve for x
    x = 3,769,765,188,822.07/2,636,912
  6. Step 6: Final answer
    x = 1,429,613.57

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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.