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Finding the Fourth Proportional to 40,551.84, 55,930.70 and 34,896.12

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Solution

The fourth proportional to 40,551.84, 55,930.70 and 34,896.12 is: 48,130.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,551.84 : 55,930.70 = 34,896.12 : x
  2. Step 2: Convert to fraction form
    40,551.84/55,930.70 = 34,896.12/x
  3. Step 3: Cross multiply
    40,551.84x = 55,930.70 × 34,896.12
  4. Step 4: Simplify right side
    40,551.84x = 1,951,764,296.38
  5. Step 5: Solve for x
    x = 1,951,764,296.38/40,551.84
  6. Step 6: Final answer
    x = 48,130.10

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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.