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Finding the Fourth Proportional to 60,811.28, 91,193.66 and 29,212.54

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Solution

The fourth proportional to 60,811.28, 91,193.66 and 29,212.54 is: 43,807.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,811.28 : 91,193.66 = 29,212.54 : x
  2. Step 2: Convert to fraction form
    60,811.28/91,193.66 = 29,212.54/x
  3. Step 3: Cross multiply
    60,811.28x = 91,193.66 × 29,212.54
  4. Step 4: Simplify right side
    60,811.28x = 2,663,998,440.50
  5. Step 5: Solve for x
    x = 2,663,998,440.50/60,811.28
  6. Step 6: Final answer
    x = 43,807.64

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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.