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Finding the Fourth Proportional to 51,340.92, 77,035.86 and 27,966.84

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Solution

The fourth proportional to 51,340.92, 77,035.86 and 27,966.84 is: 41,963.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,340.92 : 77,035.86 = 27,966.84 : x
  2. Step 2: Convert to fraction form
    51,340.92/77,035.86 = 27,966.84/x
  3. Step 3: Cross multiply
    51,340.92x = 77,035.86 × 27,966.84
  4. Step 4: Simplify right side
    51,340.92x = 2,154,449,570.88
  5. Step 5: Solve for x
    x = 2,154,449,570.88/51,340.92
  6. Step 6: Final answer
    x = 41,963.59

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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.