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Finding the Fourth Proportional to 77,441.40, 116,162.91 and 33,040.44

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Solution

The fourth proportional to 77,441.40, 116,162.91 and 33,040.44 is: 49,561.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,441.40 : 116,162.91 = 33,040.44 : x
  2. Step 2: Convert to fraction form
    77,441.40/116,162.91 = 33,040.44/x
  3. Step 3: Cross multiply
    77,441.40x = 116,162.91 × 33,040.44
  4. Step 4: Simplify right side
    77,441.40x = 3,838,073,658.08
  5. Step 5: Solve for x
    x = 3,838,073,658.08/77,441.40
  6. Step 6: Final answer
    x = 49,561.01

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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.