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Finding the Fourth Proportional to 59,164.40, 81,735.92 and 38,794.88

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Solution

The fourth proportional to 59,164.40, 81,735.92 and 38,794.88 is: 53,595.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,164.40 : 81,735.92 = 38,794.88 : x
  2. Step 2: Convert to fraction form
    59,164.40/81,735.92 = 38,794.88/x
  3. Step 3: Cross multiply
    59,164.40x = 81,735.92 × 38,794.88
  4. Step 4: Simplify right side
    59,164.40x = 3,170,935,208.09
  5. Step 5: Solve for x
    x = 3,170,935,208.09/59,164.40
  6. Step 6: Final answer
    x = 53,595.32

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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.