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Finding the Fourth Proportional to 45,996.56, 68,980.25 and 19,694.24

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Solution

The fourth proportional to 45,996.56, 68,980.25 and 19,694.24 is: 29,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,996.56 : 68,980.25 = 19,694.24 : x
  2. Step 2: Convert to fraction form
    45,996.56/68,980.25 = 19,694.24/x
  3. Step 3: Cross multiply
    45,996.56x = 68,980.25 × 19,694.24
  4. Step 4: Simplify right side
    45,996.56x = 1,358,513,303.09
  5. Step 5: Solve for x
    x = 1,358,513,303.09/45,996.56
  6. Step 6: Final answer
    x = 29,535.11

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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.