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Finding the Fourth Proportional to 65,553, 90,470.90 and 37,262.94

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Solution

The fourth proportional to 65,553, 90,470.90 and 37,262.94 is: 51,427.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,553 : 90,470.90 = 37,262.94 : x
  2. Step 2: Convert to fraction form
    65,553/90,470.90 = 37,262.94/x
  3. Step 3: Cross multiply
    65,553x = 90,470.90 × 37,262.94
  4. Step 4: Simplify right side
    65,553x = 3,371,211,718.45
  5. Step 5: Solve for x
    x = 3,371,211,718.45/65,553
  6. Step 6: Final answer
    x = 51,427.27

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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.