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Finding the Fourth Proportional to 60,493.92, 90,662.03 and 30,886.80

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Solution

The fourth proportional to 60,493.92, 90,662.03 and 30,886.80 is: 46,289.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,493.92 : 90,662.03 = 30,886.80 : x
  2. Step 2: Convert to fraction form
    60,493.92/90,662.03 = 30,886.80/x
  3. Step 3: Cross multiply
    60,493.92x = 90,662.03 × 30,886.80
  4. Step 4: Simplify right side
    60,493.92x = 2,800,259,988.20
  5. Step 5: Solve for x
    x = 2,800,259,988.20/60,493.92
  6. Step 6: Final answer
    x = 46,289.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.