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Finding the Fourth Proportional to 59,893.76, 82,636.80 and 38,673.92

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Solution

The fourth proportional to 59,893.76, 82,636.80 and 38,673.92 is: 53,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,893.76 : 82,636.80 = 38,673.92 : x
  2. Step 2: Convert to fraction form
    59,893.76/82,636.80 = 38,673.92/x
  3. Step 3: Cross multiply
    59,893.76x = 82,636.80 × 38,673.92
  4. Step 4: Simplify right side
    59,893.76x = 3,195,888,992.26
  5. Step 5: Solve for x
    x = 3,195,888,992.26/59,893.76
  6. Step 6: Final answer
    x = 53,359.30

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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.