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Finding the Fourth Proportional to 63,970.56, 95,871.36 and 30,700.80

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Solution

The fourth proportional to 63,970.56, 95,871.36 and 30,700.80 is: 46,010.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,970.56 : 95,871.36 = 30,700.80 : x
  2. Step 2: Convert to fraction form
    63,970.56/95,871.36 = 30,700.80/x
  3. Step 3: Cross multiply
    63,970.56x = 95,871.36 × 30,700.80
  4. Step 4: Simplify right side
    63,970.56x = 2,943,327,449.09
  5. Step 5: Solve for x
    x = 2,943,327,449.09/63,970.56
  6. Step 6: Final answer
    x = 46,010.66

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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.