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Finding the Fourth Proportional to 84,893.67, 127,340.51 and 40,551.84

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Solution

The fourth proportional to 84,893.67, 127,340.51 and 40,551.84 is: 60,827.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,893.67 : 127,340.51 = 40,551.84 : x
  2. Step 2: Convert to fraction form
    84,893.67/127,340.51 = 40,551.84/x
  3. Step 3: Cross multiply
    84,893.67x = 127,340.51 × 40,551.84
  4. Step 4: Simplify right side
    84,893.67x = 5,163,891,784.28
  5. Step 5: Solve for x
    x = 5,163,891,784.28/84,893.67
  6. Step 6: Final answer
    x = 60,827.76

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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.