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Finding the Fourth Proportional to 82,483.93, 113,757.60 and 55,591.12

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Solution

The fourth proportional to 82,483.93, 113,757.60 and 55,591.12 is: 76,668.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,483.93 : 113,757.60 = 55,591.12 : x
  2. Step 2: Convert to fraction form
    82,483.93/113,757.60 = 55,591.12/x
  3. Step 3: Cross multiply
    82,483.93x = 113,757.60 × 55,591.12
  4. Step 4: Simplify right side
    82,483.93x = 6,323,912,392.51
  5. Step 5: Solve for x
    x = 6,323,912,392.51/82,483.93
  6. Step 6: Final answer
    x = 76,668.42

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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.