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Finding the Fourth Proportional to 51,468.81, 77,203.25 and 33,811.07

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Solution

The fourth proportional to 51,468.81, 77,203.25 and 33,811.07 is: 50,716.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,468.81 : 77,203.25 = 33,811.07 : x
  2. Step 2: Convert to fraction form
    51,468.81/77,203.25 = 33,811.07/x
  3. Step 3: Cross multiply
    51,468.81x = 77,203.25 × 33,811.07
  4. Step 4: Simplify right side
    51,468.81x = 2,610,323,934.91
  5. Step 5: Solve for x
    x = 2,610,323,934.91/51,468.81
  6. Step 6: Final answer
    x = 50,716.62

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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.