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Finding the Fourth Proportional to 77,562.56, 107,036.44 and 44,028.56

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Solution

The fourth proportional to 77,562.56, 107,036.44 and 44,028.56 is: 60,759.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,562.56 : 107,036.44 = 44,028.56 : x
  2. Step 2: Convert to fraction form
    77,562.56/107,036.44 = 44,028.56/x
  3. Step 3: Cross multiply
    77,562.56x = 107,036.44 × 44,028.56
  4. Step 4: Simplify right side
    77,562.56x = 4,712,660,478.25
  5. Step 5: Solve for x
    x = 4,712,660,478.25/77,562.56
  6. Step 6: Final answer
    x = 60,759.47

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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.