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Finding the Fourth Proportional to 73,488.84, 101,414.10 and 39,954.84

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Solution

The fourth proportional to 73,488.84, 101,414.10 and 39,954.84 is: 55,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,488.84 : 101,414.10 = 39,954.84 : x
  2. Step 2: Convert to fraction form
    73,488.84/101,414.10 = 39,954.84/x
  3. Step 3: Cross multiply
    73,488.84x = 101,414.10 × 39,954.84
  4. Step 4: Simplify right side
    73,488.84x = 4,051,984,139.24
  5. Step 5: Solve for x
    x = 4,051,984,139.24/73,488.84
  6. Step 6: Final answer
    x = 55,137.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.