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Finding the Fourth Proportional to 62,891.44, 86,790.60 and 34,596.40

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Solution

The fourth proportional to 62,891.44, 86,790.60 and 34,596.40 is: 47,743.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,891.44 : 86,790.60 = 34,596.40 : x
  2. Step 2: Convert to fraction form
    62,891.44/86,790.60 = 34,596.40/x
  3. Step 3: Cross multiply
    62,891.44x = 86,790.60 × 34,596.40
  4. Step 4: Simplify right side
    62,891.44x = 3,002,642,313.84
  5. Step 5: Solve for x
    x = 3,002,642,313.84/62,891.44
  6. Step 6: Final answer
    x = 47,743.26

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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.