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Finding the Fourth Proportional to 51,237.58, 76,347.02 and 45,647.97

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Solution

The fourth proportional to 51,237.58, 76,347.02 and 45,647.97 is: 68,018.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,237.58 : 76,347.02 = 45,647.97 : x
  2. Step 2: Convert to fraction form
    51,237.58/76,347.02 = 45,647.97/x
  3. Step 3: Cross multiply
    51,237.58x = 76,347.02 × 45,647.97
  4. Step 4: Simplify right side
    51,237.58x = 3,485,086,735.82
  5. Step 5: Solve for x
    x = 3,485,086,735.82/51,237.58
  6. Step 6: Final answer
    x = 68,018.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.