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Finding the Fourth Proportional to 3,584,953.78, 4,947,173.94 and 1,953,374.56

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Solution

The fourth proportional to 3,584,953.78, 4,947,173.94 and 1,953,374.56 is: 2,695,622.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584,953.78 : 4,947,173.94 = 1,953,374.56 : x
  2. Step 2: Convert to fraction form
    3,584,953.78/4,947,173.94 = 1,953,374.56/x
  3. Step 3: Cross multiply
    3,584,953.78x = 4,947,173.94 × 1,953,374.56
  4. Step 4: Simplify right side
    3,584,953.78x = 9,663,683,718,290.97
  5. Step 5: Solve for x
    x = 9,663,683,718,290.97/3,584,953.78
  6. Step 6: Final answer
    x = 2,695,622.96

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Why These Related Problems?

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