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Finding the Fourth Proportional to 84,806.56, 117,019.41 and 49,001.32

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Solution

The fourth proportional to 84,806.56, 117,019.41 and 49,001.32 is: 67,613.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,806.56 : 117,019.41 = 49,001.32 : x
  2. Step 2: Convert to fraction form
    84,806.56/117,019.41 = 49,001.32/x
  3. Step 3: Cross multiply
    84,806.56x = 117,019.41 × 49,001.32
  4. Step 4: Simplify right side
    84,806.56x = 5,734,105,555.62
  5. Step 5: Solve for x
    x = 5,734,105,555.62/84,806.56
  6. Step 6: Final answer
    x = 67,613.94

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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.