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Finding the Fourth Proportional to 82,338.96, 113,627.94 and 44,613.20

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Solution

The fourth proportional to 82,338.96, 113,627.94 and 44,613.20 is: 61,566.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,338.96 : 113,627.94 = 44,613.20 : x
  2. Step 2: Convert to fraction form
    82,338.96/113,627.94 = 44,613.20/x
  3. Step 3: Cross multiply
    82,338.96x = 113,627.94 × 44,613.20
  4. Step 4: Simplify right side
    82,338.96x = 5,069,306,012.81
  5. Step 5: Solve for x
    x = 5,069,306,012.81/82,338.96
  6. Step 6: Final answer
    x = 61,566.31

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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.