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Finding the Fourth Proportional to 55,759.68, 76,842.06 and 54,734.92

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Solution

The fourth proportional to 55,759.68, 76,842.06 and 54,734.92 is: 75,429.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,759.68 : 76,842.06 = 54,734.92 : x
  2. Step 2: Convert to fraction form
    55,759.68/76,842.06 = 54,734.92/x
  3. Step 3: Cross multiply
    55,759.68x = 76,842.06 × 54,734.92
  4. Step 4: Simplify right side
    55,759.68x = 4,205,944,006.74
  5. Step 5: Solve for x
    x = 4,205,944,006.74/55,759.68
  6. Step 6: Final answer
    x = 75,429.84

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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.