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Finding the Fourth Proportional to 62,644.88, 86,453.90 and 41,386.88

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Solution

The fourth proportional to 62,644.88, 86,453.90 and 41,386.88 is: 57,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,644.88 : 86,453.90 = 41,386.88 : x
  2. Step 2: Convert to fraction form
    62,644.88/86,453.90 = 41,386.88/x
  3. Step 3: Cross multiply
    62,644.88x = 86,453.90 × 41,386.88
  4. Step 4: Simplify right side
    62,644.88x = 3,578,057,184.83
  5. Step 5: Solve for x
    x = 3,578,057,184.83/62,644.88
  6. Step 6: Final answer
    x = 57,116.51

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1.5x scale

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.