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Finding the Fourth Proportional to 52,716.96, 72,749.76 and 28,843.68

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Solution

The fourth proportional to 52,716.96, 72,749.76 and 28,843.68 is: 39,804.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,716.96 : 72,749.76 = 28,843.68 : x
  2. Step 2: Convert to fraction form
    52,716.96/72,749.76 = 28,843.68/x
  3. Step 3: Cross multiply
    52,716.96x = 72,749.76 × 28,843.68
  4. Step 4: Simplify right side
    52,716.96x = 2,098,370,797.52
  5. Step 5: Solve for x
    x = 2,098,370,797.52/52,716.96
  6. Step 6: Final answer
    x = 39,804.47

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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.